79866583524 has 1008 divisors, whose sum is σ = 289156385280. Its totient is φ = 19046845440.

The previous prime is 79866583499. The next prime is 79866583603. The reversal of 79866583524 is 42538566897.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 1094062752 + ... + 1094062824.

Almost surely, 2^79866583524 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 79866583524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144578192640).

79866583524 is an abundant number, since it is smaller than the sum of its proper divisors (209289801756).

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

79866583524 is a wasteful number, since it uses less digits than its factorization.

79866583524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 148 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 79866583524 in words is "seventy-nine billion, eight hundred sixty-six million, five hundred eighty-three thousand, five hundred twenty-four".