68089499 has 4 divisors (see below), whose sum is σ = 71049936. Its totient is φ = 65129064.

The previous prime is 68089493. The next prime is 68089519. The reversal of 68089499 is 99498086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68089499 - 2¹² = 68085403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68089499.

It is not an unprimeable number, because it can be changed into a prime (68089493) 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, 1480184 + ... + 1480229.

It is an arithmetic number, because the mean of its divisors is an integer number (17762484).

Almost surely, 2^68089499 is an apocalyptic number.

68089499 is a deficient number, since it is larger than the sum of its proper divisors (2960437).

68089499 is a wasteful number, since it uses less digits than its factorization.

68089499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960436.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 68089499 is about 8251.6361407905. The cubic root of 68089499 is about 408.3445022999.

The spelling of 68089499 in words is "sixty-eight million, eighty-nine thousand, four hundred ninety-nine".