7986747216 has 160 divisors (see below), whose sum is σ = 23871614976. Its totient is φ = 2253888000.

The previous prime is 7986747193. The next prime is 7986747229. The reversal of 7986747216 is 6127476897.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18530521 + ... + 18530951.

Almost surely, 2^7986747216 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 7986747216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11935807488).

7986747216 is an abundant number, since it is smaller than the sum of its proper divisors (15884867760).

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

7986747216 is a wasteful number, since it uses less digits than its factorization.

7986747216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001 (or 995 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 57.

The square root of 7986747216 is about 89368.6030773672. The cubic root of 7986747216 is about 1998.8949909232.

The spelling of 7986747216 in words is "seven billion, nine hundred eighty-six million, seven hundred forty-seven thousand, two hundred sixteen".