78875070691995 has 96 divisors (see below), whose sum is σ = 144657938880000. Its totient is φ = 39646743611904.

The previous prime is 78875070691939. The next prime is 78875070692003. The reversal of 78875070691995 is 59919607057887.

78875070691995 is a `hidden beast` number, since 7 + 8 + 8 + 7 + 507 + 0 + 6 + 9 + 19 + 95 = 666.

It is not a de Polignac number, because 78875070691995 - 2¹² = 78875070687899 is a prime.

It is a Smith number, since the sum of its digits (81) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 128303311 + ... + 128916599.

It is an arithmetic number, because the mean of its divisors is an integer number (1506853530000).

Almost surely, 2^{78875070691995} is an apocalyptic number.

78875070691995 is a deficient number, since it is larger than the sum of its proper divisors (65782868188005).

78875070691995 is a wasteful number, since it uses less digits than its factorization.

78875070691995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614097 (or 614094 counting only the distinct ones).

The product of its (nonzero) digits is 2400451200, while the sum is 81.

The spelling of 78875070691995 in words is "seventy-eight trillion, eight hundred seventy-five billion, seventy million, six hundred ninety-one thousand, nine hundred ninety-five".