766000051 has 4 divisors (see below), whose sum is σ = 766480104. Its totient is φ = 765520000.

The previous prime is 766000033. The next prime is 766000061. The reversal of 766000051 is 150000667.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 766000051 - 2²⁵ = 732445619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766000061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237625 + ... + 240826.

It is an arithmetic number, because the mean of its divisors is an integer number (191620026).

Almost surely, 2^766000051 is an apocalyptic number.

766000051 is a deficient number, since it is larger than the sum of its proper divisors (480053).

766000051 is a wasteful number, since it uses less digits than its factorization.

766000051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480052.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 766000051 is about 27676.7059275485. The cubic root of 766000051 is about 914.9757828502.

The spelling of 766000051 in words is "seven hundred sixty-six million, fifty-one", and thus it is an aban number.