68089587213 has 8 divisors (see below), whose sum is σ = 90814037728. Its totient is φ = 45379097424.

The previous prime is 68089587143. The next prime is 68089587221. The reversal of 68089587213 is 31278598086.

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 68089587213 - 2²¹ = 68087490061 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 (68089587413) 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, 3478795 + ... + 3498312.

It is an arithmetic number, because the mean of its divisors is an integer number (11351754716).

Almost surely, 2^68089587213 is an apocalyptic number.

It is an amenable number.

68089587213 is a deficient number, since it is larger than the sum of its proper divisors (22724450515).

68089587213 is a wasteful number, since it uses less digits than its factorization.

68089587213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6980363.

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 68089587213 in words is "sixty-eight billion, eighty-nine million, five hundred eighty-seven thousand, two hundred thirteen".