764772107 has 4 divisors (see below), whose sum is σ = 834296856. Its totient is φ = 695247360.

The previous prime is 764772091. The next prime is 764772131. The reversal of 764772107 is 701277467.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701277467 = 11 ⋅63752497.

It is a cyclic number.

It is not a de Polignac number, because 764772107 - 2⁴ = 764772091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (764772007) 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, 34762358 + ... + 34762379.

It is an arithmetic number, because the mean of its divisors is an integer number (208574214).

Almost surely, 2^764772107 is an apocalyptic number.

764772107 is a deficient number, since it is larger than the sum of its proper divisors (69524749).

764772107 is a wasteful number, since it uses less digits than its factorization.

764772107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69524748.

The product of its (nonzero) digits is 115248, while the sum is 41.

The square root of 764772107 is about 27654.5133206137. The cubic root of 764772107 is about 914.4866010182.

The spelling of 764772107 in words is "seven hundred sixty-four million, seven hundred seventy-two thousand, one hundred seven".