487628637 has 4 divisors (see below), whose sum is σ = 650171520. Its totient is φ = 325085756.

The previous prime is 487628633. The next prime is 487628641. The reversal of 487628637 is 736826784.

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 an interprime number because it is at equal distance from previous prime (487628633) and next prime (487628641).

It is a cyclic number.

It is not a de Polignac number, because 487628637 - 2² = 487628633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 487628637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487628633) 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, 81271437 + ... + 81271442.

It is an arithmetic number, because the mean of its divisors is an integer number (162542880).

Almost surely, 2^487628637 is an apocalyptic number.

It is an amenable number.

487628637 is a deficient number, since it is larger than the sum of its proper divisors (162542883).

487628637 is a wasteful number, since it uses less digits than its factorization.

487628637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162542882.

The product of its digits is 2709504, while the sum is 51.

The square root of 487628637 is about 22082.3150280943. The cubic root of 487628637 is about 787.0996770053.

The spelling of 487628637 in words is "four hundred eighty-seven million, six hundred twenty-eight thousand, six hundred thirty-seven".