812860308624 has 160 divisors (see below), whose sum is σ = 2736507352320. Its totient is φ = 201770090496.

The previous prime is 812860308593. The next prime is 812860308661. The reversal of 812860308624 is 426803068218.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5399109 + ... + 5547620.

It is an arithmetic number, because the mean of its divisors is an integer number (17103170952).

Almost surely, 2^812860308624 is an apocalyptic number.

812860308624 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

812860308624 is an abundant number, since it is smaller than the sum of its proper divisors (1923647043696).

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

812860308624 is a wasteful number, since it uses less digits than its factorization.

812860308624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10946777 (or 10946771 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 812860308624 in words is "eight hundred twelve billion, eight hundred sixty million, three hundred eight thousand, six hundred twenty-four".