79855542708 has 12 divisors (see below), whose sum is σ = 186329599680. Its totient is φ = 26618514232.

The previous prime is 79855542667. The next prime is 79855542731. The reversal of 79855542708 is 80724555897.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3327314268 + ... + 3327314291.

It is an arithmetic number, because the mean of its divisors is an integer number (15527466640).

Almost surely, 2^79855542708 is an apocalyptic number.

It is an amenable number.

79855542708 is an abundant number, since it is smaller than the sum of its proper divisors (106474056972).

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

79855542708 is a wasteful number, since it uses less digits than its factorization.

79855542708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6654628566 (or 6654628564 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 60.

The spelling of 79855542708 in words is "seventy-nine billion, eight hundred fifty-five million, five hundred forty-two thousand, seven hundred eight".