68577988 has 12 divisors (see below), whose sum is σ = 120399552. Its totient is φ = 34178120.

The previous prime is 68577979. The next prime is 68577989. The reversal of 68577988 is 88977586.

It is not an unprimeable number, because it can be changed into a prime (68577989) by changing a digit.

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, 26320 + ... + 28807.

It is an arithmetic number, because the mean of its divisors is an integer number (10033296).

Almost surely, 2^68577988 is an apocalyptic number.

It is an amenable number.

68577988 is a deficient number, since it is larger than the sum of its proper divisors (51821564).

68577988 is a wasteful number, since it uses less digits than its factorization.

68577988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55442 (or 55440 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 58.

The square root of 68577988 is about 8281.1827657648. The cubic root of 68577988 is about 409.3186939866.

The spelling of 68577988 in words is "sixty-eight million, five hundred seventy-seven thousand, nine hundred eighty-eight".