7979508488 has 24 divisors (see below), whose sum is σ = 17404285950. Its totient is φ = 3419789184.

The previous prime is 7979508463. The next prime is 7979508497. The reversal of 7979508488 is 8848059797.

It can be written as a sum of positive squares in only one way, i.e., 6087432484 + 1892076004 = 78022^2 + 43498^2 .

It is a super-2 number, since 2×7979508488² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10177553 + ... + 10178336.

Almost surely, 2^7979508488 is an apocalyptic number.

It is an amenable number.

7979508488 is an abundant number, since it is smaller than the sum of its proper divisors (9424777462).

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

7979508488 is a wasteful number, since it uses less digits than its factorization.

7979508488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20355909 (or 20355898 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 65.

The square root of 7979508488 is about 89328.0946175390. The cubic root of 7979508488 is about 1998.2909139284.

The spelling of 7979508488 in words is "seven billion, nine hundred seventy-nine million, five hundred eight thousand, four hundred eighty-eight".