107978690540 has 48 divisors (see below), whose sum is σ = 259178207232. Its totient is φ = 37017072576.

The previous prime is 107978690539. The next prime is 107978690581. The reversal of 107978690540 is 45096879701.

It is a super-2 number, since 2×107978690540² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1356689 + ... + 1434071.

It is an arithmetic number, because the mean of its divisors is an integer number (5399545984).

Almost surely, 2^107978690540 is an apocalyptic number.

107978690540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107978690540 is an abundant number, since it is smaller than the sum of its proper divisors (151199516692).

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

107978690540 is a wasteful number, since it uses less digits than its factorization.

107978690540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87366 (or 87364 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 107978690540 in words is "one hundred seven billion, nine hundred seventy-eight million, six hundred ninety thousand, five hundred forty".