97388428032 has 504 divisors, whose sum is σ = 336293400576. Its totient is φ = 27559139328.

The previous prime is 97388428019. The next prime is 97388428069. The reversal of 97388428032 is 23082488379.

It is a tau number, because it is divible by the number of its divisors (504).

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

It is a self number, because there is not a number n which added to its sum of digits gives 97388428032.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 165908443 + ... + 165909029.

Almost surely, 2^97388428032 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 97388428032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168146700288).

97388428032 is an abundant number, since it is smaller than the sum of its proper divisors (238904972544).

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

97388428032 is an equidigital number, since it uses as much as digits as its factorization.

97388428032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 97388428032 in words is "ninety-seven billion, three hundred eighty-eight million, four hundred twenty-eight thousand, thirty-two".