477634879 has 2 divisors, whose sum is σ = 477634880. Its totient is φ = 477634878.

The previous prime is 477634853. The next prime is 477634903. The reversal of 477634879 is 978436774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 477634879 - 2¹³ = 477626687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477634279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238817439 + 238817440.

It is an arithmetic number, because the mean of its divisors is an integer number (238817440).

Almost surely, 2^477634879 is an apocalyptic number.

477634879 is a deficient number, since it is larger than the sum of its proper divisors (1).

477634879 is an equidigital number, since it uses as much as digits as its factorization.

477634879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7112448, while the sum is 55.

The square root of 477634879 is about 21854.8593909913. The cubic root of 477634879 is about 781.6854191977.

The spelling of 477634879 in words is "four hundred seventy-seven million, six hundred thirty-four thousand, eight hundred seventy-nine".