79844674624 has 315 divisors, whose sum is σ = 199119908211. Its totient is φ = 31738037760.

The previous prime is 79844674621. The next prime is 79844674661. The reversal of 79844674624 is 42647644897.

It is a happy number.

The square root of 79844674624 is 282568.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 39588265024 + 40256409600 = 198968^2 + 200640^2 .

It is not an unprimeable number, because it can be changed into a prime (79844674621) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 4202351287 + ... + 4202351305.

Almost surely, 2^79844674624 is an apocalyptic number.

79844674624 is the 282568-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79844674624

79844674624 is an abundant number, since it is smaller than the sum of its proper divisors (119275233587).

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

79844674624 is an equidigital number, since it uses as much as digits as its factorization.

79844674624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 45 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 61.

The spelling of 79844674624 in words is "seventy-nine billion, eight hundred forty-four million, six hundred seventy-four thousand, six hundred twenty-four".