257000012792 has 8 divisors (see below), whose sum is σ = 481875024000. Its totient is φ = 128500006392.

The previous prime is 257000012741. The next prime is 257000012903. The reversal of 257000012792 is 297210000752.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16062500792 + ... + 16062500807.

It is an arithmetic number, because the mean of its divisors is an integer number (60234378000).

Almost surely, 2^257000012792 is an apocalyptic number.

It is an amenable number.

257000012792 is a deficient number, since it is larger than the sum of its proper divisors (224875011208).

257000012792 is a wasteful number, since it uses less digits than its factorization.

257000012792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32125001605 (or 32125001601 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 257000012792 in words is "two hundred fifty-seven billion, twelve thousand, seven hundred ninety-two".