888398478 has 48 divisors (see below), whose sum is σ = 2223380016. Its totient is φ = 253374720.

The previous prime is 888398471. The next prime is 888398507. The reversal of 888398478 is 874893888.

888398478 is a `hidden beast` number, since 88 + 83 + 9 + 8 + 478 = 666.

It is a super-3 number, since 3×888398478³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (888398471) 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 in 23 ways as a sum of consecutive naturals, for example, 128601 + ... + 135332.

It is an arithmetic number, because the mean of its divisors is an integer number (46320417).

Almost surely, 2^888398478 is an apocalyptic number.

888398478 is an abundant number, since it is smaller than the sum of its proper divisors (1334981538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

888398478 is a wasteful number, since it uses less digits than its factorization.

888398478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263969 (or 263966 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 63.

The square root of 888398478 is about 29806.0141246695. The cubic root of 888398478 is about 961.3228572863.

The spelling of 888398478 in words is "eight hundred eighty-eight million, three hundred ninety-eight thousand, four hundred seventy-eight".