68911199 has 6 divisors (see below), whose sum is σ = 80162064. Its totient is φ = 59066700.

The previous prime is 68911169. The next prime is 68911207. The reversal of 68911199 is 99111986.

It is not a de Polignac number, because 68911199 - 2⁸ = 68910943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68911169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 703127 + ... + 703224.

It is an arithmetic number, because the mean of its divisors is an integer number (13360344).

Almost surely, 2^68911199 is an apocalyptic number.

68911199 is a deficient number, since it is larger than the sum of its proper divisors (11250865).

68911199 is a wasteful number, since it uses less digits than its factorization.

68911199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406365 (or 1406358 counting only the distinct ones).

The product of its digits is 34992, while the sum is 44.

The square root of 68911199 is about 8301.2769499638. The cubic root of 68911199 is about 409.9805642185.

The spelling of 68911199 in words is "sixty-eight million, nine hundred eleven thousand, one hundred ninety-nine".