78413017836 has 24 divisors (see below), whose sum is σ = 183388230144. Its totient is φ = 26077026640.

The previous prime is 78413017829. The next prime is 78413017853. The reversal of 78413017836 is 63871031487.

It is a super-2 number, since 2×78413017836² (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 7 ways as a sum of consecutive naturals, for example, 7575360 + ... + 7585703.

It is an arithmetic number, because the mean of its divisors is an integer number (7641176256).

Almost surely, 2^78413017836 is an apocalyptic number.

It is an amenable number.

78413017836 is an abundant number, since it is smaller than the sum of its proper divisors (104975212308).

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

78413017836 is a wasteful number, since it uses less digits than its factorization.

78413017836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15161501 (or 15161499 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 78413017836 in words is "seventy-eight billion, four hundred thirteen million, seventeen thousand, eight hundred thirty-six".