97246252728 has 96 divisors (see below), whose sum is σ = 272782976400. Its totient is φ = 32099948352.

The previous prime is 97246252679. The next prime is 97246252739. The reversal of 97246252728 is 82725264279.

97246252728 is a `hidden beast` number, since 9 + 7 + 2 + 4 + 625 + 2 + 7 + 2 + 8 = 666.

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 23 ways as a sum of consecutive naturals, for example, 2270326 + ... + 2312762.

Almost surely, 2^97246252728 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 97246252728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136391488200).

97246252728 is an abundant number, since it is smaller than the sum of its proper divisors (175536723672).

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

97246252728 is a wasteful number, since it uses less digits than its factorization.

97246252728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42658 (or 42545 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 97246252728 in words is "ninety-seven billion, two hundred forty-six million, two hundred fifty-two thousand, seven hundred twenty-eight".