68800479 has 24 divisors (see below), whose sum is σ = 106772400. Its totient is φ = 39240960.

The previous prime is 68800423. The next prime is 68800481. The reversal of 68800479 is 97400886.

It is a happy number.

It is not a de Polignac number, because 68800479 - 2⁹ = 68799967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68800479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68800489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 597 + ... + 11745.

It is an arithmetic number, because the mean of its divisors is an integer number (4448850).

Almost surely, 2^68800479 is an apocalyptic number.

68800479 is a deficient number, since it is larger than the sum of its proper divisors (37971921).

68800479 is a wasteful number, since it uses less digits than its factorization.

68800479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11191 (or 11180 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 68800479 is about 8294.6054155698. The cubic root of 68800479 is about 409.7608738462.

The spelling of 68800479 in words is "sixty-eight million, eight hundred thousand, four hundred seventy-nine".