68779497786 has 16 divisors (see below), whose sum is σ = 138776333184. Its totient is φ = 22723609664.

The previous prime is 68779497779. The next prime is 68779497841.

68779497786 is nontrivially palindromic in base 10.

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, 50721666 + ... + 50723021.

It is an arithmetic number, because the mean of its divisors is an integer number (8673520824).

Almost surely, 2^68779497786 is an apocalyptic number.

68779497786 is an abundant number, since it is smaller than the sum of its proper divisors (69996835398).

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

68779497786 is a wasteful number, since it uses less digits than its factorization.

68779497786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101444805.

The product of its digits is 1792336896, while the sum is 78.

The spelling of 68779497786 in words is "sixty-eight billion, seven hundred seventy-nine million, four hundred ninety-seven thousand, seven hundred eighty-six".