79313543672 has 48 divisors (see below), whose sum is σ = 163649419080. Its totient is φ = 36010117440.

The previous prime is 79313543663. The next prime is 79313543677. The reversal of 79313543672 is 27634531397.

It is a self number, because there is not a number n which added to its sum of digits gives 79313543672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79313543677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 802223 + ... + 895649.

Almost surely, 2^79313543672 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 79313543672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81824709540).

79313543672 is an abundant number, since it is smaller than the sum of its proper divisors (84335875408).

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

79313543672 is a wasteful number, since it uses less digits than its factorization.

79313543672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94332 (or 94317 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 50.

The spelling of 79313543672 in words is "seventy-nine billion, three hundred thirteen million, five hundred forty-three thousand, six hundred seventy-two".