79699325412 has 96 divisors (see below), whose sum is σ = 218690841600. Its totient is φ = 22117237632.

The previous prime is 79699325399. The next prime is 79699325417. The reversal of 79699325412 is 21452399697.

It is a super-2 number, since 2×79699325412² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79699325417) 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, 584914 + ... + 708182.

It is an arithmetic number, because the mean of its divisors is an integer number (2278029600).

Almost surely, 2^79699325412 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 79699325412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109345420800).

79699325412 is an abundant number, since it is smaller than the sum of its proper divisors (138991516188).

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

79699325412 is a wasteful number, since it uses less digits than its factorization.

79699325412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123505 (or 123503 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 57.

The spelling of 79699325412 in words is "seventy-nine billion, six hundred ninety-nine million, three hundred twenty-five thousand, four hundred twelve".