68986597 has 4 divisors (see below), whose sum is σ = 69261696. Its totient is φ = 68711500.

The previous prime is 68986579. The next prime is 68986601. The reversal of 68986597 is 79568986.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68986597 - 2⁷ = 68986469 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 (68936597) by changing a digit.

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, 137173 + ... + 137674.

It is an arithmetic number, because the mean of its divisors is an integer number (17315424).

Almost surely, 2^68986597 is an apocalyptic number.

It is an amenable number.

68986597 is a deficient number, since it is larger than the sum of its proper divisors (275099).

68986597 is a wasteful number, since it uses less digits than its factorization.

68986597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275098.

The product of its digits is 6531840, while the sum is 58.

The square root of 68986597 is about 8305.8170579420. The cubic root of 68986597 is about 410.1300341065.

The spelling of 68986597 in words is "sixty-eight million, nine hundred eighty-six thousand, five hundred ninety-seven".