495332779 has 2 divisors, whose sum is σ = 495332780. Its totient is φ = 495332778.

The previous prime is 495332743. The next prime is 495332833. The reversal of 495332779 is 977233594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495332779 - 2¹⁹ = 494808491 is a prime.

It is not a weakly prime, because it can be changed into another prime (495332879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247666389 + 247666390.

It is an arithmetic number, because the mean of its divisors is an integer number (247666390).

Almost surely, 2^495332779 is an apocalyptic number.

495332779 is a deficient number, since it is larger than the sum of its proper divisors (1).

495332779 is an equidigital number, since it uses as much as digits as its factorization.

495332779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 49.

The square root of 495332779 is about 22256.0728566385. The cubic root of 495332779 is about 791.2232179823.

The spelling of 495332779 in words is "four hundred ninety-five million, three hundred thirty-two thousand, seven hundred seventy-nine".