79225075408 has 160 divisors (see below), whose sum is σ = 169880198400. Its totient is φ = 35670835200.

The previous prime is 79225075403. The next prime is 79225075427. The reversal of 79225075408 is 80457052297.

It is a super-2 number, since 2×79225075408² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79225075403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85279488 + ... + 85280416.

It is an arithmetic number, because the mean of its divisors is an integer number (1061751240).

Almost surely, 2^79225075408 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 79225075408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84940099200).

79225075408 is an abundant number, since it is smaller than the sum of its proper divisors (90655122992).

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

79225075408 is a wasteful number, since it uses less digits than its factorization.

79225075408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 79225075408 in words is "seventy-nine billion, two hundred twenty-five million, seventy-five thousand, four hundred eight".