783666968 has 16 divisors (see below), whose sum is σ = 1679286480. Its totient is φ = 335857248.

The previous prime is 783666967. The next prime is 783666997. The reversal of 783666968 is 869666387.

It is a super-2 number, since 2×783666968² = 1228267833468626048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (783666967) 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 3 ways as a sum of consecutive naturals, for example, 6996971 + ... + 6997082.

It is an arithmetic number, because the mean of its divisors is an integer number (104955405).

Almost surely, 2^783666968 is an apocalyptic number.

It is an amenable number.

783666968 is an abundant number, since it is smaller than the sum of its proper divisors (895619512).

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

783666968 is a wasteful number, since it uses less digits than its factorization.

783666968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13994066 (or 13994062 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 59.

The square root of 783666968 is about 27994.0523683157. The cubic root of 783666968 is about 921.9566767553.

The spelling of 783666968 in words is "seven hundred eighty-three million, six hundred sixty-six thousand, nine hundred sixty-eight".