7755965966 has 16 divisors (see below), whose sum is σ = 13301159040. Its totient is φ = 3322681080.

The previous prime is 7755965951. The next prime is 7755965983. The reversal of 7755965966 is 6695695577.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71300 + ... + 143511.

It is an arithmetic number, because the mean of its divisors is an integer number (831322440).

Almost surely, 2^7755965966 is an apocalyptic number.

7755965966 is a deficient number, since it is larger than the sum of its proper divisors (5545193074).

7755965966 is a wasteful number, since it uses less digits than its factorization.

7755965966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217399.

The product of its digits is 107163000, while the sum is 65.

The square root of 7755965966 is about 88067.9621996558. The cubic root of 7755965966 is about 1979.4534734497.

The spelling of 7755965966 in words is "seven billion, seven hundred fifty-five million, nine hundred sixty-five thousand, nine hundred sixty-six".