97747364864 has 264 divisors, whose sum is σ = 217788354240. Its totient is φ = 43797970944.

The previous prime is 97747364851. The next prime is 97747364887. The reversal of 97747364864 is 46846374779.

It is a self number, because there is not a number n which added to its sum of digits gives 97747364864.

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 23 ways as a sum of consecutive naturals, for example, 865020872 + ... + 865020984.

Almost surely, 2^97747364864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97747364864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108894177120).

97747364864 is an abundant number, since it is smaller than the sum of its proper divisors (120040989376).

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

97747364864 is a wasteful number, since it uses less digits than its factorization.

97747364864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 248 counting only the distinct ones).

The product of its digits is 170698752, while the sum is 65.

The spelling of 97747364864 in words is "ninety-seven billion, seven hundred forty-seven million, three hundred sixty-four thousand, eight hundred sixty-four".