764116555 has 16 divisors (see below), whose sum is σ = 932684544. Its totient is φ = 600849760.

The previous prime is 764116537. The next prime is 764116567. The reversal of 764116555 is 555611467.

It is not a de Polignac number, because 764116555 - 2⁹ = 764116043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120084 + ... + 126286.

It is an arithmetic number, because the mean of its divisors is an integer number (58292784).

Almost surely, 2^764116555 is an apocalyptic number.

764116555 is a deficient number, since it is larger than the sum of its proper divisors (168567989).

764116555 is a wasteful number, since it uses less digits than its factorization.

764116555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6626.

The product of its digits is 126000, while the sum is 40.

The square root of 764116555 is about 27642.6582477156. The cubic root of 764116555 is about 914.2252312633.

The spelling of 764116555 in words is "seven hundred sixty-four million, one hundred sixteen thousand, five hundred fifty-five".