766672823 has 12 divisors (see below), whose sum is σ = 915953808. Its totient is φ = 628573440.

The previous prime is 766672807. The next prime is 766672849. The reversal of 766672823 is 328276667.

It is not a de Polignac number, because 766672823 - 2⁴ = 766672807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766672853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99818 + ... + 107223.

It is an arithmetic number, because the mean of its divisors is an integer number (76329484).

Almost surely, 2^766672823 is an apocalyptic number.

766672823 is a deficient number, since it is larger than the sum of its proper divisors (149280985).

766672823 is a wasteful number, since it uses less digits than its factorization.

766672823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207094 (or 207071 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The square root of 766672823 is about 27688.8573798198. The cubic root of 766672823 is about 915.2435765479.

The spelling of 766672823 in words is "seven hundred sixty-six million, six hundred seventy-two thousand, eight hundred twenty-three".