97259012928 has 896 divisors, whose sum is σ = 378798612480. Its totient is φ = 23721984000.

The previous prime is 97259012911. The next prime is 97259012993. The reversal of 97259012928 is 82921095279.

97259012928 is a `hidden beast` number, since 9 + 7 + 2 + 590 + 1 + 29 + 28 = 666.

It is a super-2 number, since 2×97259012928² (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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 186677308 + ... + 186677828.

Almost surely, 2^97259012928 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 97259012928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189399306240).

97259012928 is an abundant number, since it is smaller than the sum of its proper divisors (281539599552).

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

97259012928 is a wasteful number, since it uses less digits than its factorization.

97259012928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 97259012928 in words is "ninety-seven billion, two hundred fifty-nine million, twelve thousand, nine hundred twenty-eight".