7967937808 has 20 divisors (see below), whose sum is σ = 16345990620. Its totient is φ = 3749617664.

The previous prime is 7967937779. The next prime is 7967937829. The reversal of 7967937808 is 8087397697.

It can be written as a sum of positive squares in 2 ways, for example, as 5087683584 + 2880254224 = 71328^2 + 53668^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7967937808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14646673 + ... + 14647216.

It is an arithmetic number, because the mean of its divisors is an integer number (817299531).

Almost surely, 2^7967937808 is an apocalyptic number.

It is an amenable number.

7967937808 is an abundant number, since it is smaller than the sum of its proper divisors (8378052812).

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

7967937808 is a wasteful number, since it uses less digits than its factorization.

7967937808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29293914 (or 29293908 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 64.

The square root of 7967937808 is about 89263.3060557360. The cubic root of 7967937808 is about 1997.3245733085.

The spelling of 7967937808 in words is "seven billion, nine hundred sixty-seven million, nine hundred thirty-seven thousand, eight hundred eight".