763663980 has 24 divisors (see below), whose sum is σ = 2138259312. Its totient is φ = 203643712.

The previous prime is 763663969. The next prime is 763664003. The reversal of 763663980 is 89366367.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6363807 + ... + 6363926.

It is an arithmetic number, because the mean of its divisors is an integer number (89094138).

Almost surely, 2^763663980 is an apocalyptic number.

It is an amenable number.

763663980 is an abundant number, since it is smaller than the sum of its proper divisors (1374595332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

763663980 is a wasteful number, since it uses less digits than its factorization.

763663980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12727745 (or 12727743 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 48.

The square root of 763663980 is about 27634.4708652075. The cubic root of 763663980 is about 914.0447015630.

The spelling of 763663980 in words is "seven hundred sixty-three million, six hundred sixty-three thousand, nine hundred eighty".