63712287 has 12 divisors (see below), whose sum is σ = 92138904. Its totient is φ = 42424080.

The previous prime is 63712279. The next prime is 63712291. The reversal of 63712287 is 78221736.

63712287 is a `hidden beast` number, since 6 + 371 + 2 + 287 = 666.

It is not a de Polignac number, because 63712287 - 2³ = 63712279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63712247) 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, 4708 + ... + 12230.

It is an arithmetic number, because the mean of its divisors is an integer number (7678242).

Almost surely, 2^63712287 is an apocalyptic number.

63712287 is a deficient number, since it is larger than the sum of its proper divisors (28426617).

63712287 is a wasteful number, since it uses less digits than its factorization.

63712287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470 (or 8467 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 63712287 is about 7981.9976822848. The cubic root of 63712287 is about 399.3996974595.

The spelling of 63712287 in words is "sixty-three million, seven hundred twelve thousand, two hundred eighty-seven".