68331587458 has 8 divisors (see below), whose sum is σ = 102583300428. Its totient is φ = 34137153984.

The previous prime is 68331587381. The next prime is 68331587507. The reversal of 68331587458 is 85478513386.

It is a happy number.

68331587458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 68331528409 + 59049 = 261403^2 + 243^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14316891 + ... + 14321662.

Almost surely, 2^68331587458 is an apocalyptic number.

68331587458 is a deficient number, since it is larger than the sum of its proper divisors (34251712970).

68331587458 is a wasteful number, since it uses less digits than its factorization.

68331587458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28639748.

The product of its digits is 19353600, while the sum is 58.

The spelling of 68331587458 in words is "sixty-eight billion, three hundred thirty-one million, five hundred eighty-seven thousand, four hundred fifty-eight".