91752525975 has 48 divisors (see below), whose sum is σ = 165905631360. Its totient is φ = 44373859200.

The previous prime is 91752525929. The next prime is 91752525983. The reversal of 91752525975 is 57952525719.

It is not a de Polignac number, because 91752525975 - 2⁹ = 91752525463 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187456 + ... + 467594.

It is an arithmetic number, because the mean of its divisors is an integer number (3456367320).

Almost surely, 2^91752525975 is an apocalyptic number.

91752525975 is a deficient number, since it is larger than the sum of its proper divisors (74153105385).

91752525975 is a wasteful number, since it uses less digits than its factorization.

91752525975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280560 (or 280555 counting only the distinct ones).

The product of its digits is 9922500, while the sum is 57.

The spelling of 91752525975 in words is "ninety-one billion, seven hundred fifty-two million, five hundred twenty-five thousand, nine hundred seventy-five".