64887248 has 20 divisors (see below), whose sum is σ = 126966948. Its totient is φ = 32121600.

The previous prime is 64887227. The next prime is 64887271. The reversal of 64887248 is 84278846.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51724864 + 13162384 = 7192^2 + 3628^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18461 + ... + 21692.

Almost surely, 2^64887248 is an apocalyptic number.

It is an amenable number.

64887248 is a deficient number, since it is larger than the sum of its proper divisors (62079700).

64887248 is a wasteful number, since it uses less digits than its factorization.

64887248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40262 (or 40256 counting only the distinct ones).

The product of its digits is 688128, while the sum is 47.

The square root of 64887248 is about 8055.2621310545. The cubic root of 64887248 is about 401.8399567540.

The spelling of 64887248 in words is "sixty-four million, eight hundred eighty-seven thousand, two hundred forty-eight".