78075712874 has 64 divisors (see below), whose sum is σ = 129296684160. Its totient is φ = 35223102720.

The previous prime is 78075712861. The next prime is 78075712901. The reversal of 78075712874 is 47821757087.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41952704 + ... + 41954564.

It is an arithmetic number, because the mean of its divisors is an integer number (2020260690).

Almost surely, 2^78075712874 is an apocalyptic number.

78075712874 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

78075712874 is a deficient number, since it is larger than the sum of its proper divisors (51220971286).

78075712874 is a wasteful number, since it uses less digits than its factorization.

78075712874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535.

The product of its (nonzero) digits is 6146560, while the sum is 56.

The spelling of 78075712874 in words is "seventy-eight billion, seventy-five million, seven hundred twelve thousand, eight hundred seventy-four".