78715087143 has 32 divisors (see below), whose sum is σ = 130868938752. Its totient is φ = 40885365600.

The previous prime is 78715087091. The next prime is 78715087151. The reversal of 78715087143 is 34178051787.

It is not a de Polignac number, because 78715087143 - 2²² = 78710892839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78715087153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2081280 + ... + 2118762.

It is an arithmetic number, because the mean of its divisors is an integer number (4089654336).

Almost surely, 2^78715087143 is an apocalyptic number.

78715087143 is a deficient number, since it is larger than the sum of its proper divisors (52153851609).

78715087143 is a wasteful number, since it uses less digits than its factorization.

78715087143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46595.

The product of its (nonzero) digits is 1317120, while the sum is 51.

The spelling of 78715087143 in words is "seventy-eight billion, seven hundred fifteen million, eighty-seven thousand, one hundred forty-three".