68978102 has 8 divisors (see below), whose sum is σ = 103708512. Its totient is φ = 34408600.

The previous prime is 68978089. The next prime is 68978141. The reversal of 68978102 is 20187986.

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 68978102.

It is a congruent number.

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, 39149 + ... + 40872.

It is an arithmetic number, because the mean of its divisors is an integer number (12963564).

Almost surely, 2^68978102 is an apocalyptic number.

68978102 is a deficient number, since it is larger than the sum of its proper divisors (34730410).

68978102 is a wasteful number, since it uses less digits than its factorization.

68978102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80454.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 68978102 is about 8305.3056536168. The cubic root of 68978102 is about 410.1131989636.

The spelling of 68978102 in words is "sixty-eight million, nine hundred seventy-eight thousand, one hundred two".