766041813 has 16 divisors (see below), whose sum is σ = 1135517760. Its totient is φ = 510406128.

The previous prime is 766041769. The next prime is 766041823. The reversal of 766041813 is 318140667.

It is not a de Polignac number, because 766041813 - 2⁸ = 766041557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766041823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47731 + ... + 61727.

It is an arithmetic number, because the mean of its divisors is an integer number (70969860).

Almost surely, 2^766041813 is an apocalyptic number.

It is an amenable number.

766041813 is a deficient number, since it is larger than the sum of its proper divisors (369475947).

766041813 is a wasteful number, since it uses less digits than its factorization.

766041813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16033 (or 16027 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 766041813 is about 27677.4603784379. The cubic root of 766041813 is about 914.9924105794.

The spelling of 766041813 in words is "seven hundred sixty-six million, forty-one thousand, eight hundred thirteen".