783877968 has 60 divisors (see below), whose sum is σ = 2215531188. Its totient is φ = 258700800.

The previous prime is 783877951. The next prime is 783877981. The reversal of 783877968 is 869778387.

It can be written as a sum of positive squares in 2 ways, for example, as 683717904 + 100160064 = 26148^2 + 10008^2 .

It is a super-2 number, since 2×783877968² = 1228929337431618048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12405 + ... + 41492.

Almost surely, 2^783877968 is an apocalyptic number.

It is an amenable number.

783877968 is an abundant number, since it is smaller than the sum of its proper divisors (1431653220).

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

783877968 is a wasteful number, since it uses less digits than its factorization.

783877968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54012 (or 54003 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 63.

The square root of 783877968 is about 27997.8207723387. The cubic root of 783877968 is about 922.0394140277.

The spelling of 783877968 in words is "seven hundred eighty-three million, eight hundred seventy-seven thousand, nine hundred sixty-eight".