775920964 has 24 divisors (see below), whose sum is σ = 1671215168. Its totient is φ = 306957600.

The previous prime is 775920961. The next prime is 775920997. The reversal of 775920964 is 469029577.

It is not an unprimeable number, because it can be changed into a prime (775920961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065462 + ... + 1066189.

Almost surely, 2^775920964 is an apocalyptic number.

It is an amenable number.

775920964 is an abundant number, since it is smaller than the sum of its proper divisors (895294204).

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

775920964 is a wasteful number, since it uses less digits than its factorization.

775920964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131675 (or 2131673 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 775920964 is about 27855.3579047192. The cubic root of 775920964 is about 918.9089792052.

The spelling of 775920964 in words is "seven hundred seventy-five million, nine hundred twenty thousand, nine hundred sixty-four".