487584137 has 4 divisors (see below), whose sum is σ = 513246480. Its totient is φ = 461921796.

The previous prime is 487584133. The next prime is 487584197. The reversal of 487584137 is 731485784.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 487584137 - 2² = 487584133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 487584091 and 487584100.

It is not an unprimeable number, because it can be changed into a prime (487584131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12831143 + ... + 12831180.

It is an arithmetic number, because the mean of its divisors is an integer number (128311620).

Almost surely, 2^487584137 is an apocalyptic number.

It is an amenable number.

487584137 is a deficient number, since it is larger than the sum of its proper divisors (25662343).

487584137 is a wasteful number, since it uses less digits than its factorization.

487584137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25662342.

The product of its digits is 752640, while the sum is 47.

The square root of 487584137 is about 22081.3074114736. The cubic root of 487584137 is about 787.0757332371.

The spelling of 487584137 in words is "four hundred eighty-seven million, five hundred eighty-four thousand, one hundred thirty-seven".