79642176700 has 72 divisors (see below), whose sum is σ = 174544887440. Its totient is φ = 31540838400.

The previous prime is 79642176553. The next prime is 79642176707. The reversal of 79642176700 is 767124697.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79642176707) 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 23 ways as a sum of consecutive naturals, for example, 5177020 + ... + 5192380.

Almost surely, 2^79642176700 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 79642176700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87272443720).

79642176700 is an abundant number, since it is smaller than the sum of its proper divisors (94902710740).

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

79642176700 is a wasteful number, since it uses less digits than its factorization.

79642176700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15887 (or 15880 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 79642176700 in words is "seventy-nine billion, six hundred forty-two million, one hundred seventy-six thousand, seven hundred".