7979252736 has 704 divisors, whose sum is σ = 29316446208. Its totient is φ = 1868562432.

The previous prime is 7979252707. The next prime is 7979252779. The reversal of 7979252736 is 6372529797.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109304796 + ... + 109304868.

Almost surely, 2^7979252736 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 7979252736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14658223104).

7979252736 is an abundant number, since it is smaller than the sum of its proper divisors (21337193472).

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

7979252736 is a wasteful number, since it uses less digits than its factorization.

7979252736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 138 counting only the distinct ones).

The product of its digits is 10001880, while the sum is 57.

The square root of 7979252736 is about 89326.6630743587. The cubic root of 7979252736 is about 1998.2695645617.

The spelling of 7979252736 in words is "seven billion, nine hundred seventy-nine million, two hundred fifty-two thousand, seven hundred thirty-six".