785220964 has 12 divisors (see below), whose sum is σ = 1499058288. Its totient is φ = 356918600.

The previous prime is 785220937. The next prime is 785220967. The reversal of 785220964 is 469022587.

785220964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×785220964³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 785220964.

It is not an unprimeable number, because it can be changed into a prime (785220967) 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, 8922922 + ... + 8923009.

It is an arithmetic number, because the mean of its divisors is an integer number (124921524).

Almost surely, 2^785220964 is an apocalyptic number.

It is an amenable number.

785220964 is a deficient number, since it is larger than the sum of its proper divisors (713837324).

785220964 is a wasteful number, since it uses less digits than its factorization.

785220964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17845946 (or 17845944 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 785220964 is about 28021.7944464661. The cubic root of 785220964 is about 922.5656816310.

The spelling of 785220964 in words is "seven hundred eighty-five million, two hundred twenty thousand, nine hundred sixty-four".