68805398 has 8 divisors (see below), whose sum is σ = 104272392. Its totient is φ = 34047936.

The previous prime is 68805383. The next prime is 68805413. The reversal of 68805398 is 89350886.

It is an interprime number because it is at equal distance from previous prime (68805383) and next prime (68805413).

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

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, 177140 + ... + 177527.

It is an arithmetic number, because the mean of its divisors is an integer number (13034049).

Almost surely, 2^68805398 is an apocalyptic number.

68805398 is a deficient number, since it is larger than the sum of its proper divisors (35466994).

68805398 is a wasteful number, since it uses less digits than its factorization.

68805398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354766.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 68805398 is about 8294.9019282931. The cubic root of 68805398 is about 409.7706391160.

The spelling of 68805398 in words is "sixty-eight million, eight hundred five thousand, three hundred ninety-eight".