256967304765 has 32 divisors (see below), whose sum is σ = 413713267200. Its totient is φ = 136195033920.

The previous prime is 256967304757. The next prime is 256967304793. The reversal of 256967304765 is 567403769652.

It is not a de Polignac number, because 256967304765 - 2³ = 256967304757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256967304699 and 256967304708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4209310 + ... + 4269920.

It is an arithmetic number, because the mean of its divisors is an integer number (12928539600).

Almost surely, 2^256967304765 is an apocalyptic number.

It is an amenable number.

256967304765 is a deficient number, since it is larger than the sum of its proper divisors (156745962435).

256967304765 is a wasteful number, since it uses less digits than its factorization.

256967304765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62377.

The product of its (nonzero) digits is 57153600, while the sum is 60.

The spelling of 256967304765 in words is "two hundred fifty-six billion, nine hundred sixty-seven million, three hundred four thousand, seven hundred sixty-five".