478677885 has 32 divisors (see below), whose sum is σ = 883982592. Its totient is φ = 216652800.

The previous prime is 478677877. The next prime is 478677893. The reversal of 478677885 is 588776874.

It is an interprime number because it is at equal distance from previous prime (478677877) and next prime (478677893).

It is not a de Polignac number, because 478677885 - 2³ = 478677877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11964 + ... + 33173.

It is an arithmetic number, because the mean of its divisors is an integer number (27624456).

Almost surely, 2^478677885 is an apocalyptic number.

It is an amenable number.

478677885 is a deficient number, since it is larger than the sum of its proper divisors (405304707).

478677885 is a wasteful number, since it uses less digits than its factorization.

478677885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45253.

The product of its digits is 21073920, while the sum is 60.

The square root of 478677885 is about 21878.7084856488. The cubic root of 478677885 is about 782.2539914701.

The spelling of 478677885 in words is "four hundred seventy-eight million, six hundred seventy-seven thousand, eight hundred eighty-five".