79819341504 has 112 divisors (see below), whose sum is σ = 243259465728. Its totient is φ = 22625906688.

The previous prime is 79819341461. The next prime is 79819341529. The reversal of 79819341504 is 40514391897.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×79819341504² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63129 + ... + 404504.

Almost surely, 2^79819341504 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 79819341504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121629732864).

79819341504 is an abundant number, since it is smaller than the sum of its proper divisors (163440124224).

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

79819341504 is a wasteful number, since it uses less digits than its factorization.

79819341504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467782 (or 467772 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 79819341504 in words is "seventy-nine billion, eight hundred nineteen million, three hundred forty-one thousand, five hundred four".