68851698 has 8 divisors (see below), whose sum is σ = 137703408. Its totient is φ = 22950564.

The previous prime is 68851693. The next prime is 68851711. The reversal of 68851698 is 89615886.

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

68851698 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 68851698.

It is not an unprimeable number, because it can be changed into a prime (68851693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5737636 + ... + 5737647.

It is an arithmetic number, because the mean of its divisors is an integer number (17212926).

Almost surely, 2^68851698 is an apocalyptic number.

68851698 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.

68851698 is a wasteful number, since it uses less digits than its factorization.

68851698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11475288.

The product of its digits is 829440, while the sum is 51.

The square root of 68851698 is about 8297.6923297987. The cubic root of 68851698 is about 409.8625317443.

The spelling of 68851698 in words is "sixty-eight million, eight hundred fifty-one thousand, six hundred ninety-eight".