68887564 has 12 divisors (see below), whose sum is σ = 121660000. Its totient is φ = 34127568.

The previous prime is 68887543. The next prime is 68887579. The reversal of 68887564 is 46578886.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 78564 + ... + 79435.

Almost surely, 2^68887564 is an apocalyptic number.

It is an amenable number.

68887564 is a deficient number, since it is larger than the sum of its proper divisors (52772436).

68887564 is a wasteful number, since it uses less digits than its factorization.

68887564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158112 (or 158110 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 52.

The square root of 68887564 is about 8299.8532517148. The cubic root of 68887564 is about 409.9336874708.

The spelling of 68887564 in words is "sixty-eight million, eight hundred eighty-seven thousand, five hundred sixty-four".