77313883 has 2 divisors, whose sum is σ = 77313884. Its totient is φ = 77313882.

The previous prime is 77313857. The next prime is 77313893. The reversal of 77313883 is 38831377.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77313883 - 2⁵ = 77313851 is a prime.

It is not a weakly prime, because it can be changed into another prime (77313853) 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 as a sum of consecutive naturals, namely, 38656941 + 38656942.

It is an arithmetic number, because the mean of its divisors is an integer number (38656942).

Almost surely, 2^77313883 is an apocalyptic number.

77313883 is a deficient number, since it is larger than the sum of its proper divisors (1).

77313883 is an equidigital number, since it uses as much as digits as its factorization.

77313883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 77313883 is about 8792.8313414963. The cubic root of 77313883 is about 426.0093802809.

The spelling of 77313883 in words is "seventy-seven million, three hundred thirteen thousand, eight hundred eighty-three".