812444968 has 16 divisors (see below), whose sum is σ = 1525132980. Its totient is φ = 405742848.

The previous prime is 812444929. The next prime is 812445019. The reversal of 812444968 is 869444218.

It can be written as a sum of positive squares in 2 ways, for example, as 785008324 + 27436644 = 28018^2 + 5238^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52705 + ... + 66352.

Almost surely, 2^812444968 is an apocalyptic number.

It is an amenable number.

812444968 is a deficient number, since it is larger than the sum of its proper divisors (712688012).

812444968 is a wasteful number, since it uses less digits than its factorization.

812444968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119916 (or 119912 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 812444968 is about 28503.4202859937. The cubic root of 812444968 is about 933.1067212872.

The spelling of 812444968 in words is "eight hundred twelve million, four hundred forty-four thousand, nine hundred sixty-eight".