257872670763 has 8 divisors (see below), whose sum is σ = 344011103376. Its totient is φ = 171824676000.

The previous prime is 257872670753. The next prime is 257872670779. The reversal of 257872670763 is 367076278752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 257872670763 - 2³⁴ = 240692801579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 257872670697 and 257872670706.

It is not an unprimeable number, because it can be changed into a prime (257872670753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22602808 + ... + 22614213.

It is an arithmetic number, because the mean of its divisors is an integer number (43001387922).

Almost surely, 2^257872670763 is an apocalyptic number.

257872670763 is a deficient number, since it is larger than the sum of its proper divisors (86138432613).

257872670763 is a wasteful number, since it uses less digits than its factorization.

257872670763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45218925.

The product of its (nonzero) digits is 41489280, while the sum is 60.

The spelling of 257872670763 in words is "two hundred fifty-seven billion, eight hundred seventy-two million, six hundred seventy thousand, seven hundred sixty-three".