487731129 has 8 divisors (see below), whose sum is σ = 650748000. Its totient is φ = 324934176.

The previous prime is 487731119. The next prime is 487731149. The reversal of 487731129 is 921137784.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 487731129 - 2²⁷ = 353513401 is a prime.

It is a super-2 number, since 2×487731129² = 475763308391229282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (487731109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49732 + ... + 58725.

It is an arithmetic number, because the mean of its divisors is an integer number (81343500).

Almost surely, 2^487731129 is an apocalyptic number.

It is an amenable number.

487731129 is a deficient number, since it is larger than the sum of its proper divisors (163016871).

487731129 is a wasteful number, since it uses less digits than its factorization.

487731129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109959.

The product of its digits is 84672, while the sum is 42.

The square root of 487731129 is about 22084.6355867603. The cubic root of 487731129 is about 787.1548185363.

The spelling of 487731129 in words is "four hundred eighty-seven million, seven hundred thirty-one thousand, one hundred twenty-nine".