495122879 has 2 divisors, whose sum is σ = 495122880. Its totient is φ = 495122878.

The previous prime is 495122833. The next prime is 495122891. The reversal of 495122879 is 978221594.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495122879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495122899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247561439 + 247561440.

It is an arithmetic number, because the mean of its divisors is an integer number (247561440).

Almost surely, 2^495122879 is an apocalyptic number.

495122879 is a deficient number, since it is larger than the sum of its proper divisors (1).

495122879 is an equidigital number, since it uses as much as digits as its factorization.

495122879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 47.

The square root of 495122879 is about 22251.3567900926. The cubic root of 495122879 is about 791.1114404563. Note that the first 3 decimals are identical.

The spelling of 495122879 in words is "four hundred ninety-five million, one hundred twenty-two thousand, eight hundred seventy-nine".