766797213 has 32 divisors (see below), whose sum is σ = 1292359936. Its totient is φ = 393527808.

The previous prime is 766797197. The next prime is 766797221. The reversal of 766797213 is 312797667.

It is not a de Polignac number, because 766797213 - 2⁴ = 766797197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766797313) 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 31 ways as a sum of consecutive naturals, for example, 27856 + ... + 48057.

It is an arithmetic number, because the mean of its divisors is an integer number (40386248).

Almost surely, 2^766797213 is an apocalyptic number.

It is an amenable number.

766797213 is a deficient number, since it is larger than the sum of its proper divisors (525562723).

766797213 is a wasteful number, since it uses less digits than its factorization.

766797213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75973.

The product of its digits is 666792, while the sum is 48.

The square root of 766797213 is about 27691.1034991385. The cubic root of 766797213 is about 915.2930722339.

The spelling of 766797213 in words is "seven hundred sixty-six million, seven hundred ninety-seven thousand, two hundred thirteen".