68986677668986 has 32 divisors (see below), whose sum is σ = 129069873285120. Its totient is φ = 26866295794800.

The previous prime is 68986677668983. The next prime is 68986677669059.

68986677668986 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 68986677668891 and 68986677668900.

It is not an unprimeable number, because it can be changed into a prime (68986677668983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96564366 + ... + 97276153.

It is an arithmetic number, because the mean of its divisors is an integer number (4033433540160).

Almost surely, 2^{68986677668986} is an apocalyptic number.

68986677668986 is a deficient number, since it is larger than the sum of its proper divisors (60083195616134).

68986677668986 is a wasteful number, since it uses less digits than its factorization.

68986677668986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193842850.

The product of its digits is 758487711744, while the sum is 100.

The spelling of 68986677668986 in words is "sixty-eight trillion, nine hundred eighty-six billion, six hundred seventy-seven million, six hundred sixty-eight thousand, nine hundred eighty-six".