257060785130 has 16 divisors (see below), whose sum is σ = 463386891744. Its totient is φ = 102673763280.

The previous prime is 257060785103. The next prime is 257060785253. The reversal of 257060785130 is 31587060752.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18811676 + ... + 18825335.

It is an arithmetic number, because the mean of its divisors is an integer number (28961680734).

Almost surely, 2^257060785130 is an apocalyptic number.

257060785130 is a deficient number, since it is larger than the sum of its proper divisors (206326106614).

257060785130 is a wasteful number, since it uses less digits than its factorization.

257060785130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37637701.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 257060785130 in words is "two hundred fifty-seven billion, sixty million, seven hundred eighty-five thousand, one hundred thirty".