79399834402 has 16 divisors (see below), whose sum is σ = 136290105792. Its totient is φ = 33984474480.

The previous prime is 79399834391. The next prime is 79399834403. The reversal of 79399834402 is 20443899397.

It is not an unprimeable number, because it can be changed into a prime (79399834403) by changing a digit.

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, 3657624 + ... + 3679267.

It is an arithmetic number, because the mean of its divisors is an integer number (8518131612).

Almost surely, 2^79399834402 is an apocalyptic number.

79399834402 is a deficient number, since it is larger than the sum of its proper divisors (56890271390).

79399834402 is a wasteful number, since it uses less digits than its factorization.

79399834402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337673.

The product of its (nonzero) digits is 11757312, while the sum is 58.

The spelling of 79399834402 in words is "seventy-nine billion, three hundred ninety-nine million, eight hundred thirty-four thousand, four hundred two".