64867882 has 8 divisors (see below), whose sum is σ = 99931716. Its totient is φ = 31557312.

The previous prime is 64867871. The next prime is 64867883. The reversal of 64867882 is 28876846.

It can be written as a sum of positive squares in 2 ways, for example, as 64336441 + 531441 = 8021^2 + 729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (64867883) 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, 438223 + ... + 438370.

Almost surely, 2^64867882 is an apocalyptic number.

64867882 is a deficient number, since it is larger than the sum of its proper divisors (35063834).

64867882 is a wasteful number, since it uses less digits than its factorization.

64867882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876632.

The product of its digits is 1032192, while the sum is 49.

The square root of 64867882 is about 8054.0599699779. The cubic root of 64867882 is about 401.7999755704.

The spelling of 64867882 in words is "sixty-four million, eight hundred sixty-seven thousand, eight hundred eighty-two".