68798479 has 8 divisors (see below), whose sum is σ = 69494400. Its totient is φ = 68106456.

The previous prime is 68798461. The next prime is 68798491. The reversal of 68798479 is 97489786.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68798479 - 2⁷ = 68798351 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 (68798419) 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 7 ways as a sum of consecutive naturals, for example, 44412 + ... + 45934.

It is an arithmetic number, because the mean of its divisors is an integer number (8686800).

Almost surely, 2^68798479 is an apocalyptic number.

68798479 is a deficient number, since it is larger than the sum of its proper divisors (695921).

68798479 is a wasteful number, since it uses less digits than its factorization.

68798479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949.

The product of its digits is 6096384, while the sum is 58.

The square root of 68798479 is about 8294.4848544078. The cubic root of 68798479 is about 409.7569032843.

The spelling of 68798479 in words is "sixty-eight million, seven hundred ninety-eight thousand, four hundred seventy-nine".