77283863 has 2 divisors, whose sum is σ = 77283864. Its totient is φ = 77283862.

The previous prime is 77283827. The next prime is 77283919. The reversal of 77283863 is 36838277.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77283863 - 2⁶ = 77283799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77283803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38641931 + 38641932.

It is an arithmetic number, because the mean of its divisors is an integer number (38641932).

Almost surely, 2^77283863 is an apocalyptic number.

77283863 is a deficient number, since it is larger than the sum of its proper divisors (1).

77283863 is an equidigital number, since it uses as much as digits as its factorization.

77283863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 44.

The square root of 77283863 is about 8791.1241033215. The cubic root of 77283863 is about 425.9542351301.

The spelling of 77283863 in words is "seventy-seven million, two hundred eighty-three thousand, eight hundred sixty-three".