97647660 has 192 divisors, whose sum is σ = 351267840. Its totient is φ = 22256640.

The previous prime is 97647653. The next prime is 97647703. The reversal of 97647660 is 6674679.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100497 + ... + 101463.

It is an arithmetic number, because the mean of its divisors is an integer number (1829520).

Almost surely, 2^97647660 is an apocalyptic number.

97647660 is a gapful number since it is divisible by the number (90) 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 97647660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175633920).

97647660 is an abundant number, since it is smaller than the sum of its proper divisors (253620180).

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

97647660 is a wasteful number, since it uses less digits than its factorization.

97647660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 97647660 is about 9881.6830550266. The cubic root of 97647660 is about 460.4904347131.

It can be divided in two parts, 9764 and 7660, that added together give a square (17424 = 132²).

The spelling of 97647660 in words is "ninety-seven million, six hundred forty-seven thousand, six hundred sixty".