92718878979 has 4 divisors (see below), whose sum is σ = 123625171976. Its totient is φ = 61812585984.

The previous prime is 92718878977. The next prime is 92718879023. The reversal of 92718878979 is 97987881729.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 92718878979 - 2¹ = 92718878977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 92718878979.

It is not an unprimeable number, because it can be changed into a prime (92718878971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15453146494 + ... + 15453146499.

It is an arithmetic number, because the mean of its divisors is an integer number (30906292994).

Almost surely, 2^92718878979 is an apocalyptic number.

92718878979 is a deficient number, since it is larger than the sum of its proper divisors (30906292997).

92718878979 is a wasteful number, since it uses less digits than its factorization.

92718878979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30906292996.

The product of its digits is 256048128, while the sum is 75.

The spelling of 92718878979 in words is "ninety-two billion, seven hundred eighteen million, eight hundred seventy-eight thousand, nine hundred seventy-nine".