455808877 has 2 divisors, whose sum is σ = 455808878. Its totient is φ = 455808876.

The previous prime is 455808827. The next prime is 455808889. The reversal of 455808877 is 778808554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 451732516 + 4076361 = 21254^2 + 2019^2 .

It is a cyclic number.

It is not a de Polignac number, because 455808877 - 2¹⁵ = 455776109 is a prime.

It is a super-2 number, since 2×455808877² = 415523464704002258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455808817) 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, 227904438 + 227904439.

It is an arithmetic number, because the mean of its divisors is an integer number (227904439).

Almost surely, 2^455808877 is an apocalyptic number.

It is an amenable number.

455808877 is a deficient number, since it is larger than the sum of its proper divisors (1).

455808877 is an equidigital number, since it uses as much as digits as its factorization.

455808877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2508800, while the sum is 52.

The square root of 455808877 is about 21349.6809578036. The cubic root of 455808877 is about 769.5926765671.

The spelling of 455808877 in words is "four hundred fifty-five million, eight hundred eight thousand, eight hundred seventy-seven".