75827731325 has 12 divisors (see below), whose sum is σ = 94032145620. Its totient is φ = 60658469760.

The previous prime is 75827731307. The next prime is 75827731327. The reversal of 75827731325 is 52313772857.

It can be written as a sum of positive squares in 6 ways, for example, as 371487076 + 75456244249 = 19274^2 + 274693^2 .

It is not a de Polignac number, because 75827731325 - 2¹⁶ = 75827665789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75827731327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368387 + ... + 536063.

It is an arithmetic number, because the mean of its divisors is an integer number (7836012135).

Almost surely, 2^75827731325 is an apocalyptic number.

It is an amenable number.

75827731325 is a deficient number, since it is larger than the sum of its proper divisors (18204414295).

75827731325 is a wasteful number, since it uses less digits than its factorization.

75827731325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185776 (or 185771 counting only the distinct ones).

The product of its digits is 2469600, while the sum is 50.

The spelling of 75827731325 in words is "seventy-five billion, eight hundred twenty-seven million, seven hundred thirty-one thousand, three hundred twenty-five".