68798569 has 4 divisors (see below), whose sum is σ = 78626944. Its totient is φ = 58970196.

The previous prime is 68798549. The next prime is 68798573. The reversal of 68798569 is 96589786.

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 68798569 - 2⁵ = 68798537 is a prime.

It is a super-2 number, since 2×68798569² = 9466486192895522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68798519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4914177 + ... + 4914190.

It is an arithmetic number, because the mean of its divisors is an integer number (19656736).

Almost surely, 2^68798569 is an apocalyptic number.

It is an amenable number.

68798569 is a deficient number, since it is larger than the sum of its proper divisors (9828375).

68798569 is an equidigital number, since it uses as much as digits as its factorization.

68798569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9828374.

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

The square root of 68798569 is about 8294.4902796977. The cubic root of 68798569 is about 409.7570819612.

The spelling of 68798569 in words is "sixty-eight million, seven hundred ninety-eight thousand, five hundred sixty-nine".