823676612858 has 64 divisors (see below), whose sum is σ = 1452818571264. Its totient is φ = 346326024000.

The previous prime is 823676612831. The next prime is 823676612861. The reversal of 823676612858 is 858216676328.

It is a happy number.

It is a super-2 number, since 2×823676612858² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 823676612858.

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, 23401613 + ... + 23436783.

It is an arithmetic number, because the mean of its divisors is an integer number (22700290176).

Almost surely, 2^823676612858 is an apocalyptic number.

823676612858 is a deficient number, since it is larger than the sum of its proper divisors (629141958406).

823676612858 is a wasteful number, since it uses less digits than its factorization.

823676612858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36731.

The product of its digits is 46448640, while the sum is 62.

The spelling of 823676612858 in words is "eight hundred twenty-three billion, six hundred seventy-six million, six hundred twelve thousand, eight hundred fifty-eight".