7772795808 has 24 divisors (see below), whose sum is σ = 20403589248. Its totient is φ = 2590931904.

The previous prime is 7772795801. The next prime is 7772795809. The reversal of 7772795808 is 8085972777.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (7772795801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40483216 + ... + 40483407.

It is an arithmetic number, because the mean of its divisors is an integer number (850149552).

Almost surely, 2^7772795808 is an apocalyptic number.

It is an amenable number.

7772795808 is an abundant number, since it is smaller than the sum of its proper divisors (12630793440).

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

7772795808 is a wasteful number, since it uses less digits than its factorization.

7772795808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80966636 (or 80966628 counting only the distinct ones).

The product of its (nonzero) digits is 13829760, while the sum is 60.

The square root of 7772795808 is about 88163.4607306224. The cubic root of 7772795808 is about 1980.8841923817.

The spelling of 7772795808 in words is "seven billion, seven hundred seventy-two million, seven hundred ninety-five thousand, eight hundred eight".