857924250272 has 24 divisors (see below), whose sum is σ = 1689564914100. Its totient is φ = 428828399104.

The previous prime is 857924250269. The next prime is 857924250277. The reversal of 857924250272 is 272052429758.

It can be written as a sum of positive squares in 2 ways, for example, as 832043162896 + 25881087376 = 912164^2 + 160876^2 .

It is not an unprimeable number, because it can be changed into a prime (857924250277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4074647 + ... + 4280022.

Almost surely, 2^857924250272 is an apocalyptic number.

It is an amenable number.

857924250272 is a deficient number, since it is larger than the sum of its proper divisors (831640663828).

857924250272 is a wasteful number, since it uses less digits than its factorization.

857924250272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8357888 (or 8357880 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 857924250272 in words is "eight hundred fifty-seven billion, nine hundred twenty-four million, two hundred fifty thousand, two hundred seventy-two".