969999256 has 8 divisors (see below), whose sum is σ = 1818748620. Its totient is φ = 484999624.

The previous prime is 969999227. The next prime is 969999257. The reversal of 969999256 is 652999969.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969999257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60624946 + ... + 60624961.

Almost surely, 2^969999256 is an apocalyptic number.

It is an amenable number.

969999256 is a deficient number, since it is larger than the sum of its proper divisors (848749364).

969999256 is a wasteful number, since it uses less digits than its factorization.

969999256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121249913 (or 121249909 counting only the distinct ones).

The product of its digits is 21257640, while the sum is 64.

The square root of 969999256 is about 31144.8110605924. The cubic root of 969999256 is about 989.8980461617.

The spelling of 969999256 in words is "nine hundred sixty-nine million, nine hundred ninety-nine thousand, two hundred fifty-six".