79476421154 has 32 divisors (see below), whose sum is σ = 130484680704. Its totient is φ = 36084147840.

The previous prime is 79476421139. The next prime is 79476421223. The reversal of 79476421154 is 45112467497.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672269 + ... + 781599.

It is an arithmetic number, because the mean of its divisors is an integer number (4077646272).

Almost surely, 2^79476421154 is an apocalyptic number.

79476421154 is a deficient number, since it is larger than the sum of its proper divisors (51008259550).

79476421154 is a wasteful number, since it uses less digits than its factorization.

79476421154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109802.

The product of its digits is 1693440, while the sum is 50.

The spelling of 79476421154 in words is "seventy-nine billion, four hundred seventy-six million, four hundred twenty-one thousand, one hundred fifty-four".