78716455862 has 24 divisors (see below), whose sum is σ = 131984332200. Its totient is φ = 35173756640.

The previous prime is 78716455861. The next prime is 78716455901. The reversal of 78716455862 is 26855461787.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78716455861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2742287 + ... + 2770842.

It is an arithmetic number, because the mean of its divisors is an integer number (5499347175).

Almost surely, 2^78716455862 is an apocalyptic number.

78716455862 is a deficient number, since it is larger than the sum of its proper divisors (53267876338).

78716455862 is a wasteful number, since it uses less digits than its factorization.

78716455862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513212 (or 5513201 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 59.

The spelling of 78716455862 in words is "seventy-eight billion, seven hundred sixteen million, four hundred fifty-five thousand, eight hundred sixty-two".