78150116986 has 16 divisors (see below), whose sum is σ = 119239001280. Its totient is φ = 38404082880.

The previous prime is 78150116981. The next prime is 78150116987. The reversal of 78150116986 is 68961105187.

It is a super-2 number, since 2×78150116986² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78150116981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465595 + ... + 610801.

It is an arithmetic number, because the mean of its divisors is an integer number (7452437580).

Almost surely, 2^78150116986 is an apocalyptic number.

78150116986 is a deficient number, since it is larger than the sum of its proper divisors (41088884294).

78150116986 is a wasteful number, since it uses less digits than its factorization.

78150116986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149829.

The product of its (nonzero) digits is 725760, while the sum is 52.

The spelling of 78150116986 in words is "seventy-eight billion, one hundred fifty million, one hundred sixteen thousand, nine hundred eighty-six".