68489884 has 24 divisors (see below), whose sum is σ = 123243120. Its totient is φ = 33285504.

The previous prime is 68489867. The next prime is 68489899. The reversal of 68489884 is 48898486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39222 + ... + 40930.

It is an arithmetic number, because the mean of its divisors is an integer number (5135130).

Almost surely, 2^68489884 is an apocalyptic number.

It is an amenable number.

68489884 is a deficient number, since it is larger than the sum of its proper divisors (54753236).

68489884 is a wasteful number, since it uses less digits than its factorization.

68489884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989 (or 1987 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 55.

The square root of 68489884 is about 8275.8615261494. The cubic root of 68489884 is about 409.1433312605.

The spelling of 68489884 in words is "sixty-eight million, four hundred eighty-nine thousand, eight hundred eighty-four".