8077731125 has 16 divisors (see below), whose sum is σ = 10173511920. Its totient is φ = 6402888000.

The previous prime is 8077731089. The next prime is 8077731127. The reversal of 8077731125 is 5211377708.

It can be written as a sum of positive squares in 8 ways, for example, as 3966228484 + 4111502641 = 62978^2 + 64121^2 .

It is not a de Polignac number, because 8077731125 - 2²⁶ = 8010622261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8077731127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282806 + ... + 310055.

It is an arithmetic number, because the mean of its divisors is an integer number (635844495).

Almost surely, 2^8077731125 is an apocalyptic number.

It is an amenable number.

8077731125 is a deficient number, since it is larger than the sum of its proper divisors (2095780795).

8077731125 is a wasteful number, since it uses less digits than its factorization.

8077731125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592985 (or 592975 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 41.

The square root of 8077731125 is about 89876.1988793474. The cubic root of 8077731125 is about 2006.4567266590.

The spelling of 8077731125 in words is "eight billion, seventy-seven million, seven hundred thirty-one thousand, one hundred twenty-five".