7766734965 has 64 divisors (see below), whose sum is σ = 13795246080. Its totient is φ = 3699914240.

The previous prime is 7766734931. The next prime is 7766734973. The reversal of 7766734965 is 5694376677.

It is a happy number.

It is not a de Polignac number, because 7766734965 - 2¹⁰ = 7766733941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7766734899 and 7766734908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2450812 + ... + 2453978.

It is an arithmetic number, because the mean of its divisors is an integer number (215550720).

Almost surely, 2^7766734965 is an apocalyptic number.

It is an amenable number.

7766734965 is a deficient number, since it is larger than the sum of its proper divisors (6028511115).

7766734965 is a wasteful number, since it uses less digits than its factorization.

7766734965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442.

The product of its digits is 40007520, while the sum is 60.

The square root of 7766734965 is about 88129.0812671958. The cubic root of 7766734965 is about 1980.3691932206.

The spelling of 7766734965 in words is "seven billion, seven hundred sixty-six million, seven hundred thirty-four thousand, nine hundred sixty-five".