79814668854 has 16 divisors (see below), whose sum is σ = 159786002880. Its totient is φ = 26578778760.

The previous prime is 79814668837. The next prime is 79814668933. The reversal of 79814668854 is 45886641897.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6521092 + ... + 6533319.

It is an arithmetic number, because the mean of its divisors is an integer number (9986625180).

Almost surely, 2^79814668854 is an apocalyptic number.

79814668854 is an abundant number, since it is smaller than the sum of its proper divisors (79971334026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79814668854 is a wasteful number, since it uses less digits than its factorization.

79814668854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13055435.

The product of its digits is 92897280, while the sum is 66.

The spelling of 79814668854 in words is "seventy-nine billion, eight hundred fourteen million, six hundred sixty-eight thousand, eight hundred fifty-four".