68088398 has 8 divisors (see below), whose sum is σ = 116722992. Its totient is φ = 29180736.

The previous prime is 68088389. The next prime is 68088401. The reversal of 68088398 is 89388086.

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

It is a super-4 number, since 4×68088398⁴ (a number of 32 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2431715 + ... + 2431742.

It is an arithmetic number, because the mean of its divisors is an integer number (14590374).

Almost surely, 2^68088398 is an apocalyptic number.

68088398 is a deficient number, since it is larger than the sum of its proper divisors (48634594).

68088398 is a wasteful number, since it uses less digits than its factorization.

68088398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863466.

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 68088398 is about 8251.5694264788. The cubic root of 68088398 is about 408.3423013256.

It can be divided in two parts, 68088 and 398, that added together give a palindrome (68486).

The spelling of 68088398 in words is "sixty-eight million, eighty-eight thousand, three hundred ninety-eight".