106868685978 has 12 divisors (see below), whose sum is σ = 231548819658. Its totient is φ = 35622895320.

The previous prime is 106868685967. The next prime is 106868686013. The reversal of 106868685978 is 879586868601.

106868685978 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 104159171169 + 2709514809 = 322737^2 + 52053^2 .

It is a super-2 number, since 2×106868685978² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2968574593 + ... + 2968574628.

Almost surely, 2^106868685978 is an apocalyptic number.

106868685978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

106868685978 is an abundant number, since it is smaller than the sum of its proper divisors (124680133680).

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

106868685978 is a wasteful number, since it uses less digits than its factorization.

106868685978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5937149229 (or 5937149226 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 72.

The spelling of 106868685978 in words is "one hundred six billion, eight hundred sixty-eight million, six hundred eighty-five thousand, nine hundred seventy-eight".