68879706287 has 8 divisors (see below), whose sum is σ = 78726758400. Its totient is φ = 59034427704.

The previous prime is 68879706229. The next prime is 68879706331. The reversal of 68879706287 is 78260797886.

It is a happy number.

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

It is not a de Polignac number, because 68879706287 - 2³⁶ = 160229551 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 (68879706587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359087 + ... + 516432.

It is an arithmetic number, because the mean of its divisors is an integer number (9840844800).

Almost surely, 2^68879706287 is an apocalyptic number.

68879706287 is a deficient number, since it is larger than the sum of its proper divisors (9847052113).

68879706287 is a wasteful number, since it uses less digits than its factorization.

68879706287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886765.

The product of its (nonzero) digits is 113799168, while the sum is 68.

The spelling of 68879706287 in words is "sixty-eight billion, eight hundred seventy-nine million, seven hundred six thousand, two hundred eighty-seven".