68214725758 has 4 divisors (see below), whose sum is σ = 102322088640. Its totient is φ = 34107362878.

The previous prime is 68214725749. The next prime is 68214725791. The reversal of 68214725758 is 85752741286.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85752741286 = 2 ⋅42876370643.

It is a junction number, because it is equal to n+sod(n) for n = 68214725699 and 68214725708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17053681438 + ... + 17053681441.

It is an arithmetic number, because the mean of its divisors is an integer number (25580522160).

Almost surely, 2^68214725758 is an apocalyptic number.

68214725758 is a deficient number, since it is larger than the sum of its proper divisors (34107362882).

68214725758 is a wasteful number, since it uses less digits than its factorization.

68214725758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34107362881.

The product of its digits is 7526400, while the sum is 55.

The spelling of 68214725758 in words is "sixty-eight billion, two hundred fourteen million, seven hundred twenty-five thousand, seven hundred fifty-eight".