812446097904 has 120 divisors (see below), whose sum is σ = 2598727858272. Its totient is φ = 232110489600.

The previous prime is 812446097899. The next prime is 812446097909. The reversal of 812446097904 is 409790644218.

812446097904 is a `hidden beast` number, since 8 + 1 + 2 + 4 + 460 + 97 + 90 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (812446097899) and next prime (812446097909).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812446097909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21755152 + ... + 21792464.

Almost surely, 2^812446097904 is an apocalyptic number.

812446097904 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

812446097904 is an abundant number, since it is smaller than the sum of its proper divisors (1786281760368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

812446097904 is a wasteful number, since it uses less digits than its factorization.

812446097904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58935 (or 58926 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 812446097904 in words is "eight hundred twelve billion, four hundred forty-six million, ninety-seven thousand, nine hundred four".