79854396700 has 72 divisors (see below), whose sum is σ = 186956405552. Its totient is φ = 29430535680.

The previous prime is 79854396697. The next prime is 79854396719. The reversal of 79854396700 is 769345897.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 654952 + ... + 767248.

Almost surely, 2^79854396700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79854396700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93478202776).

79854396700 is an abundant number, since it is smaller than the sum of its proper divisors (107102008852).

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

79854396700 is a wasteful number, since it uses less digits than its factorization.

79854396700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112871 (or 112864 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 79854396700 in words is "seventy-nine billion, eight hundred fifty-four million, three hundred ninety-six thousand, seven hundred".