477871842 has 32 divisors (see below), whose sum is σ = 1115523072. Its totient is φ = 133629264.

The previous prime is 477871837. The next prime is 477871847. The reversal of 477871842 is 248178774.

It is an interprime number because it is at equal distance from previous prime (477871837) and next prime (477871847).

It is a super-2 number, since 2×477871842² = 456722994752945928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 477871791 and 477871800.

It is not an unprimeable number, because it can be changed into a prime (477871847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119068 + ... + 123015.

It is an arithmetic number, because the mean of its divisors is an integer number (34860096).

Almost surely, 2^477871842 is an apocalyptic number.

477871842 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

477871842 is an abundant number, since it is smaller than the sum of its proper divisors (637651230).

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

477871842 is a wasteful number, since it uses less digits than its factorization.

477871842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242142.

The product of its digits is 702464, while the sum is 48.

The square root of 477871842 is about 21860.2800073558. The cubic root of 477871842 is about 781.8146670860.

The spelling of 477871842 in words is "four hundred seventy-seven million, eight hundred seventy-one thousand, eight hundred forty-two".