477898388 has 24 divisors (see below), whose sum is σ = 933572640. Its totient is φ = 212173920.

The previous prime is 477898363. The next prime is 477898409. The reversal of 477898388 is 883898774.

It is a self number, because there is not a number n which added to its sum of digits gives 477898388.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124403 + ... + 128186.

It is an arithmetic number, because the mean of its divisors is an integer number (38898860).

Almost surely, 2^477898388 is an apocalyptic number.

It is an amenable number.

477898388 is a deficient number, since it is larger than the sum of its proper divisors (455674252).

477898388 is a wasteful number, since it uses less digits than its factorization.

477898388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252647 (or 252645 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 62.

The square root of 477898388 is about 21860.8871732142. The cubic root of 477898388 is about 781.8291435390.

The spelling of 477898388 in words is "four hundred seventy-seven million, eight hundred ninety-eight thousand, three hundred eighty-eight".