766622952233 has 4 divisors (see below), whose sum is σ = 766875382980. Its totient is φ = 766370521488.

The previous prime is 766622952217. The next prime is 766622952247. The reversal of 766622952233 is 332259226667.

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 319933903129 + 446689049104 = 565627^2 + 668348^2 .

It is a cyclic number.

It is not a de Polignac number, because 766622952233 - 2⁴ = 766622952217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766622952253) 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, 126210818 + ... + 126216891.

It is an arithmetic number, because the mean of its divisors is an integer number (191718845745).

Almost surely, 2^766622952233 is an apocalyptic number.

It is an amenable number.

766622952233 is a deficient number, since it is larger than the sum of its proper divisors (252430747).

766622952233 is a wasteful number, since it uses less digits than its factorization.

766622952233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252430746.

The product of its digits is 9797760, while the sum is 53.

The spelling of 766622952233 in words is "seven hundred sixty-six billion, six hundred twenty-two million, nine hundred fifty-two thousand, two hundred thirty-three".