7970996808 has 56 divisors (see below), whose sum is σ = 22408194150. Its totient is φ = 2656996992.

The previous prime is 7970996807. The next prime is 7970996821. The reversal of 7970996808 is 8086990797.

It can be written as a sum of positive squares in only one way, i.e., 7586758404 + 384238404 = 87102^2 + 19602^2 .

It is a super-2 number, since 2×7970996808² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7970996807) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 677553 + ... + 689216.

Almost surely, 2^7970996808 is an apocalyptic number.

It is an amenable number.

7970996808 is an abundant number, since it is smaller than the sum of its proper divisors (14437197342).

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

7970996808 is a wasteful number, since it uses less digits than its factorization.

7970996808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366793 (or 1366774 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 63.

The square root of 7970996808 is about 89280.4391118234. The cubic root of 7970996808 is about 1997.5801406545.

The spelling of 7970996808 in words is "seven billion, nine hundred seventy million, nine hundred ninety-six thousand, eight hundred eight".