495855799 has 2 divisors, whose sum is σ = 495855800. Its totient is φ = 495855798.

The previous prime is 495855751. The next prime is 495855823. The reversal of 495855799 is 997558594.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 495855799 - 2¹⁹ = 495331511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495855719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247927899 + 247927900.

It is an arithmetic number, because the mean of its divisors is an integer number (247927900).

Almost surely, 2^495855799 is an apocalyptic number.

495855799 is a deficient number, since it is larger than the sum of its proper divisors (1).

495855799 is an equidigital number, since it uses as much as digits as its factorization.

495855799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412000, while the sum is 61.

The square root of 495855799 is about 22267.8198079650. The cubic root of 495855799 is about 791.5016032202.

The spelling of 495855799 in words is "four hundred ninety-five million, eight hundred fifty-five thousand, seven hundred ninety-nine".