68628884 has 12 divisors (see below), whose sum is σ = 121792608. Its totient is φ = 33831000.

The previous prime is 68628871. The next prime is 68628899. The reversal of 68628884 is 48882686.

It is a super-3 number, since 3×68628884³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120542 + ... + 121109.

It is an arithmetic number, because the mean of its divisors is an integer number (10149384).

Almost surely, 2^68628884 is an apocalyptic number.

It is an amenable number.

68628884 is a deficient number, since it is larger than the sum of its proper divisors (53163724).

68628884 is a wasteful number, since it uses less digits than its factorization.

68628884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241726 (or 241724 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 50.

The square root of 68628884 is about 8284.2551867986. The cubic root of 68628884 is about 409.4199292529.

The spelling of 68628884 in words is "sixty-eight million, six hundred twenty-eight thousand, eight hundred eighty-four".