68244260079 has 8 divisors (see below), whose sum is σ = 91027126960. Its totient is φ = 45478783296.

The previous prime is 68244260069. The next prime is 68244260087. The reversal of 68244260079 is 97006244286.

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

It is not a de Polignac number, because 68244260079 - 2²¹ = 68242162927 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 (68244260009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4338364 + ... + 4354065.

It is an arithmetic number, because the mean of its divisors is an integer number (11378390870).

Almost surely, 2^68244260079 is an apocalyptic number.

68244260079 is a deficient number, since it is larger than the sum of its proper divisors (22782866881).

68244260079 is a wasteful number, since it uses less digits than its factorization.

68244260079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8695049.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 68244260079 in words is "sixty-eight billion, two hundred forty-four million, two hundred sixty thousand, seventy-nine".