823916764 has 96 divisors (see below), whose sum is σ = 1761854976. Its totient is φ = 332513280.

The previous prime is 823916761. The next prime is 823916783. The reversal of 823916764 is 467619328.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823916761) 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 31 ways as a sum of consecutive naturals, for example, 1427644 + ... + 1428220.

It is an arithmetic number, because the mean of its divisors is an integer number (18352656).

Almost surely, 2^823916764 is an apocalyptic number.

It is an amenable number.

823916764 is an abundant number, since it is smaller than the sum of its proper divisors (937938212).

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

823916764 is a wasteful number, since it uses less digits than its factorization.

823916764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 713 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 823916764 is about 28703.9503204698. The cubic root of 823916764 is about 937.4780610925.

The spelling of 823916764 in words is "eight hundred twenty-three million, nine hundred sixteen thousand, seven hundred sixty-four".