78783283 has 2 divisors, whose sum is σ = 78783284. Its totient is φ = 78783282.

The previous prime is 78783277. The next prime is 78783311. The reversal of 78783283 is 38238787.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78783283 - 2⁵ = 78783251 is a prime.

It is not a weakly prime, because it can be changed into another prime (78783203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39391641 + 39391642.

It is an arithmetic number, because the mean of its divisors is an integer number (39391642).

Almost surely, 2^78783283 is an apocalyptic number.

78783283 is a deficient number, since it is larger than the sum of its proper divisors (1).

78783283 is an equidigital number, since it uses as much as digits as its factorization.

78783283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 46.

The square root of 78783283 is about 8875.9947611521. The cubic root of 78783283 is about 428.6913213193.

The spelling of 78783283 in words is "seventy-eight million, seven hundred eighty-three thousand, two hundred eighty-three".