766980863 has 16 divisors (see below), whose sum is σ = 843042816. Its totient is φ = 692000640.

The previous prime is 766980853. The next prime is 766980887. The reversal of 766980863 is 368089667.

It is a cyclic number.

It is not a de Polignac number, because 766980863 - 2²⁴ = 750203647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766980853) 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, 1293095 + ... + 1293687.

It is an arithmetic number, because the mean of its divisors is an integer number (52690176).

Almost surely, 2^766980863 is an apocalyptic number.

766980863 is a deficient number, since it is larger than the sum of its proper divisors (76061953).

766980863 is a wasteful number, since it uses less digits than its factorization.

766980863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The square root of 766980863 is about 27694.4193475870. The cubic root of 766980863 is about 915.3661381206.

The spelling of 766980863 in words is "seven hundred sixty-six million, nine hundred eighty thousand, eight hundred sixty-three".