257226066775706 has 16 divisors (see below), whose sum is σ = 440961037413120. Its totient is φ = 110239226454480.

The previous prime is 257226066775679. The next prime is 257226066775753. The reversal of 257226066775706 is 607577660622752.

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, 39934610 + ... + 45926301.

It is an arithmetic number, because the mean of its divisors is an integer number (27560064838320).

Almost surely, 2^{257226066775706} is an apocalyptic number.

257226066775706 is a deficient number, since it is larger than the sum of its proper divisors (183734970637414).

257226066775706 is a wasteful number, since it uses less digits than its factorization.

257226066775706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86074909.

The product of its (nonzero) digits is 622339200, while the sum is 68.

The spelling of 257226066775706 in words is "two hundred fifty-seven trillion, two hundred twenty-six billion, sixty-six million, seven hundred seventy-five thousand, seven hundred six".