9297747648 has 490 divisors, whose sum is σ = 32660007324. Its totient is φ = 2624493312.

The previous prime is 9297747629. The next prime is 9297747671. The reversal of 9297747648 is 8467477929.

9297747648 is a `hidden beast` number, since 92 + 9 + 77 + 476 + 4 + 8 = 666.

It is a super-2 number, since 2×9297747648² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 112021015 + ... + 112021097.

Almost surely, 2^9297747648 is an apocalyptic number.

9297747648 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9297747648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16330003662).

9297747648 is an abundant number, since it is smaller than the sum of its proper divisors (23362259676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9297747648 is an frugal number, since it uses more digits than its factorization.

9297747648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 95 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The square root of 9297747648 is about 96424.8290016633. The cubic root of 9297747648 is about 2102.7739342385.

It can be divided in two parts, 92977 and 47648, that added together give a square (140625 = 375²).

The spelling of 9297747648 in words is "nine billion, two hundred ninety-seven million, seven hundred forty-seven thousand, six hundred forty-eight".