68199798 has 8 divisors (see below), whose sum is σ = 136399608. Its totient is φ = 22733264.

The previous prime is 68199787. The next prime is 68199809. The reversal of 68199798 is 89799186.

It is an interprime number because it is at equal distance from previous prime (68199787) and next prime (68199809).

It is a sphenic number, since it is the product of 3 distinct primes.

68199798 is an admirable number.

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, 5683311 + ... + 5683322.

It is an arithmetic number, because the mean of its divisors is an integer number (17049951).

Almost surely, 2^68199798 is an apocalyptic number.

68199798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68199798 is a wasteful number, since it uses less digits than its factorization.

68199798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11366638.

The product of its digits is 1959552, while the sum is 57.

The square root of 68199798 is about 8258.3168987391. The cubic root of 68199798 is about 408.5648774067.

The spelling of 68199798 in words is "sixty-eight million, one hundred ninety-nine thousand, seven hundred ninety-eight".