78877283 has 2 divisors, whose sum is σ = 78877284. Its totient is φ = 78877282.

The previous prime is 78877261. The next prime is 78877289. The reversal of 78877283 is 38277887.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78877283 - 2⁶ = 78877219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (78877289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39438641 + 39438642.

It is an arithmetic number, because the mean of its divisors is an integer number (39438642).

Almost surely, 2^78877283 is an apocalyptic number.

78877283 is a deficient number, since it is larger than the sum of its proper divisors (1).

78877283 is an equidigital number, since it uses as much as digits as its factorization.

78877283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1053696, while the sum is 50.

The square root of 78877283 is about 8881.2883637454. The cubic root of 78877283 is about 428.8617507410.

The spelling of 78877283 in words is "seventy-eight million, eight hundred seventy-seven thousand, two hundred eighty-three".