478106889 has 32 divisors (see below), whose sum is σ = 708610560. Its totient is φ = 284884992.

The previous prime is 478106869. The next prime is 478106891. The reversal of 478106889 is 988601874.

It is not a de Polignac number, because 478106889 - 2¹³ = 478098697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478106869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176457 + ... + 179145.

It is an arithmetic number, because the mean of its divisors is an integer number (22144080).

Almost surely, 2^478106889 is an apocalyptic number.

It is an amenable number.

478106889 is a deficient number, since it is larger than the sum of its proper divisors (230503671).

478106889 is a wasteful number, since it uses less digits than its factorization.

478106889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849.

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 478106889 is about 21865.6554669646. The cubic root of 478106889 is about 781.9428277178.

The spelling of 478106889 in words is "four hundred seventy-eight million, one hundred six thousand, eight hundred eighty-nine".