79840711694 has 8 divisors (see below), whose sum is σ = 119762627448. Its totient is φ = 39919835880.

The previous prime is 79840711669. The next prime is 79840711721. The reversal of 79840711694 is 49611704897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25892 + ... + 400439.

It is an arithmetic number, because the mean of its divisors is an integer number (14970328431).

Almost surely, 2^79840711694 is an apocalyptic number.

79840711694 is a deficient number, since it is larger than the sum of its proper divisors (39921915754).

79840711694 is a wasteful number, since it uses less digits than its factorization.

79840711694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519970.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 79840711694 in words is "seventy-nine billion, eight hundred forty million, seven hundred eleven thousand, six hundred ninety-four".