455987287 has 12 divisors (see below), whose sum is σ = 532225200. Its totient is φ = 390507264.

The previous prime is 455987263. The next prime is 455987303. The reversal of 455987287 is 782789554.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a de Polignac number, because none of the positive numbers 2^k-455987287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455987087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394903 + ... + 396055.

It is an arithmetic number, because the mean of its divisors is an integer number (44352100).

Almost surely, 2^455987287 is an apocalyptic number.

455987287 is a deficient number, since it is larger than the sum of its proper divisors (76237913).

455987287 is an frugal number, since it uses more digits than its factorization.

455987287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327 (or 1160 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 55.

The square root of 455987287 is about 21353.8588316023. The cubic root of 455987287 is about 769.6930732657.

The spelling of 455987287 in words is "four hundred fifty-five million, nine hundred eighty-seven thousand, two hundred eighty-seven".