68860137617 has 8 divisors (see below), whose sum is σ = 70513804416. Its totient is φ = 67214327472.

The previous prime is 68860137571. The next prime is 68860137623. The reversal of 68860137617 is 71673106886.

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 68860137617 - 2¹⁰ = 68860136593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68860137677) 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, 1946423 + ... + 1981484.

It is an arithmetic number, because the mean of its divisors is an integer number (8814225552).

Almost surely, 2^68860137617 is an apocalyptic number.

It is an amenable number.

68860137617 is a deficient number, since it is larger than the sum of its proper divisors (1653666799).

68860137617 is a wasteful number, since it uses less digits than its factorization.

68860137617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3928327.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 68860137617 in words is "sixty-eight billion, eight hundred sixty million, one hundred thirty-seven thousand, six hundred seventeen".