766976057 has 4 divisors (see below), whose sum is σ = 771568896. Its totient is φ = 762383220.

The previous prime is 766976047. The next prime is 766976081. The reversal of 766976057 is 750679667.

766976057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-766976057 is a prime.

It is a super-2 number, since 2×766976057² = 1176504544022534498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766976027) 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, 2296169 + ... + 2296502.

It is an arithmetic number, because the mean of its divisors is an integer number (192892224).

Almost surely, 2^766976057 is an apocalyptic number.

It is an amenable number.

766976057 is a deficient number, since it is larger than the sum of its proper divisors (4592839).

766976057 is a wasteful number, since it uses less digits than its factorization.

766976057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592838.

The product of its (nonzero) digits is 3333960, while the sum is 53.

The square root of 766976057 is about 27694.3325790675. The cubic root of 766976057 is about 915.3642261829.

The spelling of 766976057 in words is "seven hundred sixty-six million, nine hundred seventy-six thousand, fifty-seven".