68026514857 has 8 divisors (see below), whose sum is σ = 81124788096. Its totient is φ = 55773291552.

The previous prime is 68026514851. The next prime is 68026514861. The reversal of 68026514857 is 75841562086.

It is a happy number.

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 68026514857 - 2¹⁵ = 68026482089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68026514851) 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, 211262308 + ... + 211262629.

It is an arithmetic number, because the mean of its divisors is an integer number (10140598512).

Almost surely, 2^68026514857 is an apocalyptic number.

It is an amenable number.

68026514857 is a deficient number, since it is larger than the sum of its proper divisors (13098273239).

68026514857 is a wasteful number, since it uses less digits than its factorization.

68026514857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422524967.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 68026514857 in words is "sixty-eight billion, twenty-six million, five hundred fourteen thousand, eight hundred fifty-seven".