68964879 has 8 divisors (see below), whose sum is σ = 95951232. Its totient is φ = 43977560.

The previous prime is 68964877. The next prime is 68964881. The reversal of 68964879 is 97846986.

It is an interprime number because it is at equal distance from previous prime (68964877) and next prime (68964881).

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 68964879 - 2¹ = 68964877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68964877) 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, 499677 + ... + 499814.

It is an arithmetic number, because the mean of its divisors is an integer number (11993904).

Almost surely, 2^68964879 is an apocalyptic number.

68964879 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

68964879 is a deficient number, since it is larger than the sum of its proper divisors (26986353).

68964879 is a wasteful number, since it uses less digits than its factorization.

68964879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999517.

The product of its digits is 5225472, while the sum is 57.

The square root of 68964879 is about 8304.5095580654. The cubic root of 68964879 is about 410.0869912579.

The spelling of 68964879 in words is "sixty-eight million, nine hundred sixty-four thousand, eight hundred seventy-nine".