487086831 has 144 divisors (see below), whose sum is σ = 972921600. Its totient is φ = 235651680.

The previous prime is 487086829. The next prime is 487086841. The reversal of 487086831 is 138680784.

It is not a de Polignac number, because 487086831 - 2¹ = 487086829 is a prime.

It is a super-2 number, since 2×487086831² = 474507161867245122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487086841) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 8255680 + ... + 8255738.

It is an arithmetic number, because the mean of its divisors is an integer number (6756400).

Almost surely, 2^487086831 is an apocalyptic number.

487086831 is a deficient number, since it is larger than the sum of its proper divisors (485834769).

487086831 is a wasteful number, since it uses less digits than its factorization.

487086831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 487086831 is about 22070.0437471247. The cubic root of 487086831 is about 786.8080525065.

The spelling of 487086831 in words is "four hundred eighty-seven million, eighty-six thousand, eight hundred thirty-one".