623979979326 has 48 divisors (see below), whose sum is σ = 1510834027248. Its totient is φ = 184473014400.

The previous prime is 623979979307. The next prime is 623979979333.

623979979326 is a `hidden beast` number, since 62 + 3 + 97 + 99 + 79 + 326 = 666.

623979979326 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38423761 + ... + 38439996.

It is an arithmetic number, because the mean of its divisors is an integer number (31475708901).

Almost surely, 2^623979979326 is an apocalyptic number.

623979979326 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

623979979326 is an abundant number, since it is smaller than the sum of its proper divisors (886854047922).

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

623979979326 is a wasteful number, since it uses less digits than its factorization.

623979979326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76863817 (or 76863814 counting only the distinct ones).

The product of its digits is 416649744, while the sum is 72.

The spelling of 623979979326 in words is "six hundred twenty-three billion, nine hundred seventy-nine million, nine hundred seventy-nine thousand, three hundred twenty-six".