97156250528 has 48 divisors (see below), whose sum is σ = 192652878600. Its totient is φ = 48229748736.

The previous prime is 97156250519. The next prime is 97156250531. The reversal of 97156250528 is 82505265179.

It can be written as a sum of positive squares in 4 ways, for example, as 85888852624 + 11267397904 = 293068^2 + 106148^2 .

It is a super-4 number, since 4×97156250528⁴ (a number of 45 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2583476 + ... + 2620812.

Almost surely, 2^97156250528 is an apocalyptic number.

It is an amenable number.

97156250528 is a deficient number, since it is larger than the sum of its proper divisors (95496628072).

97156250528 is a wasteful number, since it uses less digits than its factorization.

97156250528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37929 (or 37921 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 50.

The spelling of 97156250528 in words is "ninety-seven billion, one hundred fifty-six million, two hundred fifty thousand, five hundred twenty-eight".