1487631873 has 16 divisors (see below), whose sum is σ = 2441242496. Its totient is φ = 784684800.

The previous prime is 1487631853. The next prime is 1487631877. The reversal of 1487631873 is 3781367841.

It is not a de Polignac number, because 1487631873 - 2⁸ = 1487631617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1487631877) 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, 2724328 + ... + 2724873.

It is an arithmetic number, because the mean of its divisors is an integer number (152577656).

Almost surely, 2^1487631873 is an apocalyptic number.

1487631873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1487631873 is a deficient number, since it is larger than the sum of its proper divisors (953610623).

1487631873 is a wasteful number, since it uses less digits than its factorization.

1487631873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5449224.

The product of its digits is 677376, while the sum is 48.

The square root of 1487631873 is about 38569.8311248572. The cubic root of 1487631873 is about 1141.5593396279.

The spelling of 1487631873 in words is "one billion, four hundred eighty-seven million, six hundred thirty-one thousand, eight hundred seventy-three".