869256794 has 64 divisors (see below), whose sum is σ = 1562803200. Its totient is φ = 354993408.

The previous prime is 869256781. The next prime is 869256811. The reversal of 869256794 is 497652968.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6253577 + ... + 6253715.

It is an arithmetic number, because the mean of its divisors is an integer number (24418800).

Almost surely, 2^869256794 is an apocalyptic number.

869256794 is a deficient number, since it is larger than the sum of its proper divisors (693546406).

869256794 is a wasteful number, since it uses less digits than its factorization.

869256794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387.

The product of its digits is 6531840, while the sum is 56.

The square root of 869256794 is about 29483.1611941461. The cubic root of 869256794 is about 954.3683565667.

The spelling of 869256794 in words is "eight hundred sixty-nine million, two hundred fifty-six thousand, seven hundred ninety-four".