812608496704 has 63 divisors (see below), whose sum is σ = 1622324584783. Its totient is φ = 403848704000.

The previous prime is 812608496681. The next prime is 812608496759. The reversal of 812608496704 is 407694806218.

It is a happy number.

The square root of 812608496704 is 901448.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 470804567104 + 341803929600 = 686152^2 + 584640^2 .

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 2026454904 + ... + 2026455304.

Almost surely, 2^812608496704 is an apocalyptic number.

812608496704 is the 901448-th square number.

It is an amenable number.

812608496704 is a deficient number, since it is larger than the sum of its proper divisors (809716088079).

812608496704 is an frugal number, since it uses more digits than its factorization.

812608496704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 812608496704 in words is "eight hundred twelve billion, six hundred eight million, four hundred ninety-six thousand, seven hundred four".