7999790760 has 144 divisors (see below), whose sum is σ = 28153323900. Its totient is φ = 1969164288.

The previous prime is 7999790753. The next prime is 7999790767. The reversal of 7999790760 is 670979997.

It is an interprime number because it is at equal distance from previous prime (7999790753) and next prime (7999790767).

It can be written as a sum of positive squares in 6 ways, for example, as 53494596 + 7946296164 = 7314^2 + 89142^2 .

It is not an unprimeable number, because it can be changed into a prime (7999790767) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4905 + ... + 126584.

Almost surely, 2^7999790760 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 7999790760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14076661950).

7999790760 is an abundant number, since it is smaller than the sum of its proper divisors (20153533140).

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

7999790760 is a wasteful number, since it uses less digits than its factorization.

7999790760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131532 (or 131512 counting only the distinct ones).

The product of its (nonzero) digits is 13502538, while the sum is 63.

The square root of 7999790760 is about 89441.5494051842. The cubic root of 7999790760 is about 1999.9825631813.

The spelling of 7999790760 in words is "seven billion, nine hundred ninety-nine million, seven hundred ninety thousand, seven hundred sixty".