97670209536 has 560 divisors, whose sum is σ = 314637480960. Its totient is φ = 30098718720.

The previous prime is 97670209529. The next prime is 97670209537. The reversal of 97670209536 is 63590207679.

It is a super-2 number, since 2×97670209536² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (97670209537) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 769056705 + ... + 769056831.

Almost surely, 2^97670209536 is an apocalyptic number.

97670209536 is a gapful number since it is divisible by the number (96) 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 97670209536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157318740480).

97670209536 is an abundant number, since it is smaller than the sum of its proper divisors (216967271424).

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

97670209536 is a wasteful number, since it uses less digits than its factorization.

97670209536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 54.

The spelling of 97670209536 in words is "ninety-seven billion, six hundred seventy million, two hundred nine thousand, five hundred thirty-six".