68567988 has 24 divisors (see below), whose sum is σ = 160141408. Its totient is φ = 22834656.

The previous prime is 68567969. The next prime is 68568007. The reversal of 68567988 is 88976586.

It is an interprime number because it is at equal distance from previous prime (68567969) and next prime (68568007).

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 7 ways as a sum of consecutive naturals, for example, 15870 + ... + 19722.

Almost surely, 2^68567988 is an apocalyptic number.

It is an amenable number.

68567988 is an abundant number, since it is smaller than the sum of its proper divisors (91573420).

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

68567988 is a wasteful number, since it uses less digits than its factorization.

68567988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343 (or 5341 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 57.

The square root of 68567988 is about 8280.5789652657. The cubic root of 68567988 is about 409.2987974861.

The spelling of 68567988 in words is "sixty-eight million, five hundred sixty-seven thousand, nine hundred eighty-eight".