68880892 has 6 divisors (see below), whose sum is σ = 120541568. Its totient is φ = 34440444.

The previous prime is 68880881. The next prime is 68880893. The reversal of 68880892 is 29808886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68880893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8610108 + ... + 8610115.

Almost surely, 2^68880892 is an apocalyptic number.

It is an amenable number.

68880892 is a deficient number, since it is larger than the sum of its proper divisors (51660676).

68880892 is a wasteful number, since it uses less digits than its factorization.

68880892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17220227 (or 17220225 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 49.

The square root of 68880892 is about 8299.4513071648. The cubic root of 68880892 is about 409.9204525428.

It can be divided in two parts, 688808 and 92, that added together give a square (688900 = 830²).

The spelling of 68880892 in words is "sixty-eight million, eight hundred eighty thousand, eight hundred ninety-two".