477887442 has 32 divisors (see below), whose sum is σ = 1013114304. Its totient is φ = 149760000.

The previous prime is 477887429. The next prime is 477887447. The reversal of 477887442 is 244788774.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (477887447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117442 + ... + 121442.

It is an arithmetic number, because the mean of its divisors is an integer number (31659822).

Almost surely, 2^477887442 is an apocalyptic number.

477887442 is an abundant number, since it is smaller than the sum of its proper divisors (535226862).

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

477887442 is a wasteful number, since it uses less digits than its factorization.

477887442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5194.

The product of its digits is 2809856, while the sum is 51.

The square root of 477887442 is about 21860.6368159759. The cubic root of 477887442 is about 781.8231743712.

The spelling of 477887442 in words is "four hundred seventy-seven million, eight hundred eighty-seven thousand, four hundred forty-two".