78961105160 has 64 divisors (see below), whose sum is σ = 213729321600. Its totient is φ = 25647515136.

The previous prime is 78961105159. The next prime is 78961105187. The reversal of 78961105160 is 6150116987.

It is a super-3 number, since 3×78961105160³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 7415837 + ... + 7426476.

It is an arithmetic number, because the mean of its divisors is an integer number (3339520650).

Almost surely, 2^78961105160 is an apocalyptic number.

78961105160 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

78961105160 is an abundant number, since it is smaller than the sum of its proper divisors (134768216440).

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

78961105160 is a wasteful number, since it uses less digits than its factorization.

78961105160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14842350 (or 14842346 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 78961105160 in words is "seventy-eight billion, nine hundred sixty-one million, one hundred five thousand, one hundred sixty".