68300979085 has 8 divisors (see below), whose sum is σ = 82806136056. Its totient is φ = 54077475840.

The previous prime is 68300979077. The next prime is 68300979113. The reversal of 68300979085 is 58097900386.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10083975561 + 58217003524 = 100419^2 + 241282^2 .

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

It is not a de Polignac number, because 68300979085 - 2³ = 68300979077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70412896 + ... + 70413865.

It is an arithmetic number, because the mean of its divisors is an integer number (10350767007).

Almost surely, 2^68300979085 is an apocalyptic number.

It is an amenable number.

68300979085 is a deficient number, since it is larger than the sum of its proper divisors (14505156971).

68300979085 is a wasteful number, since it uses less digits than its factorization.

68300979085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140826863.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 68300979085 in words is "sixty-eight billion, three hundred million, nine hundred seventy-nine thousand, eighty-five".