64287882 has 12 divisors (see below), whose sum is σ = 139290450. Its totient is φ = 21429288.

The previous prime is 64287871. The next prime is 64287911. The reversal of 64287882 is 28878246.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 63824121 + 463761 = 7989^2 + 681^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1785757 + ... + 1785792.

Almost surely, 2^64287882 is an apocalyptic number.

64287882 is an abundant number, since it is smaller than the sum of its proper divisors (75002568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64287882 is a wasteful number, since it uses less digits than its factorization.

64287882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571557 (or 3571554 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 64287882 is about 8017.9724369693. The cubic root of 64287882 is about 400.5988571445.

The spelling of 64287882 in words is "sixty-four million, two hundred eighty-seven thousand, eight hundred eighty-two".