487031868 has 36 divisors (see below), whose sum is σ = 1233952720. Its totient is φ = 161968896.

The previous prime is 487031863. The next prime is 487031873. The reversal of 487031868 is 868130784.

It is an interprime number because it is at equal distance from previous prime (487031863) and next prime (487031873).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487031863) 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 11 ways as a sum of consecutive naturals, for example, 396 + ... + 31212.

Almost surely, 2^487031868 is an apocalyptic number.

It is an amenable number.

487031868 is an abundant number, since it is smaller than the sum of its proper divisors (746920852).

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

487031868 is a wasteful number, since it uses less digits than its factorization.

487031868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31266 (or 31261 counting only the distinct ones).

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

The square root of 487031868 is about 22068.7985173638. The cubic root of 487031868 is about 786.7784568541.

The spelling of 487031868 in words is "four hundred eighty-seven million, thirty-one thousand, eight hundred sixty-eight".