587478231 has 64 divisors (see below), whose sum is σ = 949449600. Its totient is φ = 357654528.

The previous prime is 587478223. The next prime is 587478247. The reversal of 587478231 is 132874785.

587478231 is a `hidden beast` number, since 587 + 47 + 8 + 23 + 1 = 666.

It is not a de Polignac number, because 587478231 - 2³ = 587478223 is a prime.

It is a super-2 number, since 2×587478231² = 690261343797778722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (587478431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2982025 + ... + 2982221.

It is an arithmetic number, because the mean of its divisors is an integer number (14835150).

Almost surely, 2^587478231 is an apocalyptic number.

587478231 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

587478231 is a deficient number, since it is larger than the sum of its proper divisors (361971369).

587478231 is a wasteful number, since it uses less digits than its factorization.

587478231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 379 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 587478231 is about 24237.9502227395. The cubic root of 587478231 is about 837.5239971144.

The spelling of 587478231 in words is "five hundred eighty-seven million, four hundred seventy-eight thousand, two hundred thirty-one".