68981882 has 8 divisors (see below), whose sum is σ = 106810752. Its totient is φ = 33378300.

The previous prime is 68981879. The next prime is 68981893. The reversal of 68981882 is 28818986.

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

It is a self number, because there is not a number n which added to its sum of digits gives 68981882.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556244 + ... + 556367.

It is an arithmetic number, because the mean of its divisors is an integer number (13351344).

Almost surely, 2^68981882 is an apocalyptic number.

68981882 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

68981882 is a deficient number, since it is larger than the sum of its proper divisors (37828870).

68981882 is a wasteful number, since it uses less digits than its factorization.

68981882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112644.

The product of its digits is 442368, while the sum is 50.

The square root of 68981882 is about 8305.5332158748. The cubic root of 68981882 is about 410.1206902278.

The spelling of 68981882 in words is "sixty-eight million, nine hundred eighty-one thousand, eight hundred eighty-two".