79902312434 has 16 divisors (see below), whose sum is σ = 137442892608. Its totient is φ = 34126973232.

The previous prime is 79902312431. The next prime is 79902312439. The reversal of 79902312434 is 43421320997.

It is not an unprimeable number, because it can be changed into a prime (79902312431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9735332 + ... + 9743535.

It is an arithmetic number, because the mean of its divisors is an integer number (8590180788).

Almost surely, 2^79902312434 is an apocalyptic number.

79902312434 is a deficient number, since it is larger than the sum of its proper divisors (57540580174).

79902312434 is a wasteful number, since it uses less digits than its factorization.

79902312434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19479169.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 79902312434 in words is "seventy-nine billion, nine hundred two million, three hundred twelve thousand, four hundred thirty-four".