7976939488 has 96 divisors (see below), whose sum is σ = 18762057216. Its totient is φ = 3264188928.

The previous prime is 7976939401. The next prime is 7976939489. The reversal of 7976939488 is 8849396797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7976939489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3981495 + ... + 3983497.

It is an arithmetic number, because the mean of its divisors is an integer number (195438096).

Almost surely, 2^7976939488 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 7976939488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9381028608).

7976939488 is an abundant number, since it is smaller than the sum of its proper divisors (10785117728).

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

7976939488 is a wasteful number, since it uses less digits than its factorization.

7976939488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816 (or 2808 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 70.

The square root of 7976939488 is about 89313.7138853827. The cubic root of 7976939488 is about 1998.0764412206.

The spelling of 7976939488 in words is "seven billion, nine hundred seventy-six million, nine hundred thirty-nine thousand, four hundred eighty-eight".