68679472258 has 16 divisors (see below), whose sum is σ = 103208739480. Its totient is φ = 34276608000.

The previous prime is 68679472193. The next prime is 68679472313. The reversal of 68679472258 is 85227497686.

It can be written as a sum of positive squares in 4 ways, for example, as 62114097529 + 6565374729 = 249227^2 + 81027^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68679472258.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3168658 + ... + 3190258.

Almost surely, 2^68679472258 is an apocalyptic number.

68679472258 is a deficient number, since it is larger than the sum of its proper divisors (34529267222).

68679472258 is a wasteful number, since it uses less digits than its factorization.

68679472258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24453.

The product of its digits is 81285120, while the sum is 64.

The spelling of 68679472258 in words is "sixty-eight billion, six hundred seventy-nine million, four hundred seventy-two thousand, two hundred fifty-eight".