78959616652140 has 96 divisors (see below), whose sum is σ = 252687348264960. Its totient is φ = 18046728450816.

The previous prime is 78959616652117. The next prime is 78959616652187. The reversal of 78959616652140 is 4125661695987.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251806 + ... + 12569114.

It is an arithmetic number, because the mean of its divisors is an integer number (2632159877760).

Almost surely, 2^{78959616652140} is an apocalyptic number.

78959616652140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

78959616652140 is an abundant number, since it is smaller than the sum of its proper divisors (173727731612820).

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

78959616652140 is a wasteful number, since it uses less digits than its factorization.

78959616652140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12332591 (or 12332589 counting only the distinct ones).

The product of its (nonzero) digits is 195955200, while the sum is 69.

The spelling of 78959616652140 in words is "seventy-eight trillion, nine hundred fifty-nine billion, six hundred sixteen million, six hundred fifty-two thousand, one hundred forty".