68688088 has 32 divisors (see below), whose sum is σ = 148181760. Its totient is φ = 29239200.

The previous prime is 68688049. The next prime is 68688107. The reversal of 68688088 is 88088686.

It is a happy number.

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, 4395 + ... + 12517.

It is an arithmetic number, because the mean of its divisors is an integer number (4630680).

Almost surely, 2^68688088 is an apocalyptic number.

It is an amenable number.

68688088 is an abundant number, since it is smaller than the sum of its proper divisors (79493672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68688088 is a wasteful number, since it uses less digits than its factorization.

68688088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8287 (or 8283 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 52.

The square root of 68688088 is about 8287.8277009117. The cubic root of 68688088 is about 409.5376266871.

The spelling of 68688088 in words is "sixty-eight million, six hundred eighty-eight thousand, eighty-eight".