763960820 has 24 divisors (see below), whose sum is σ = 1833506304. Its totient is φ = 261929376.

The previous prime is 763960789. The next prime is 763960823. The reversal of 763960820 is 28069367.

It is a super-2 number, since 2×763960820² = 1167272268990144800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (763960823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2728292 + ... + 2728571.

It is an arithmetic number, because the mean of its divisors is an integer number (76396096).

Almost surely, 2^763960820 is an apocalyptic number.

763960820 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

763960820 is an abundant number, since it is smaller than the sum of its proper divisors (1069545484).

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

763960820 is a wasteful number, since it uses less digits than its factorization.

763960820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456879 (or 5456877 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 763960820 is about 27639.8411717578. The cubic root of 763960820 is about 914.1631174670.

The spelling of 763960820 in words is "seven hundred sixty-three million, nine hundred sixty thousand, eight hundred twenty".