766900957 has 4 divisors (see below), whose sum is σ = 812012796. Its totient is φ = 721789120.

The previous prime is 766900951. The next prime is 766900987. The reversal of 766900957 is 759009667.

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

It can be written as a sum of positive squares in 2 ways, for example, as 326488761 + 440412196 = 18069^2 + 20986^2 .

It is a cyclic number.

It is not a de Polignac number, because 766900957 - 2³ = 766900949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 766900957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766900951) 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, 22555894 + ... + 22555927.

It is an arithmetic number, because the mean of its divisors is an integer number (203003199).

Almost surely, 2^766900957 is an apocalyptic number.

It is an amenable number.

766900957 is a deficient number, since it is larger than the sum of its proper divisors (45111839).

766900957 is a wasteful number, since it uses less digits than its factorization.

766900957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45111838.

The product of its (nonzero) digits is 714420, while the sum is 49.

The square root of 766900957 is about 27692.9766727956. The cubic root of 766900957 is about 915.3343486326.

The spelling of 766900957 in words is "seven hundred sixty-six million, nine hundred thousand, nine hundred fifty-seven".