68889597843 has 8 divisors (see below), whose sum is σ = 100203051456. Its totient is φ = 41751271400.

The previous prime is 68889597839. The next prime is 68889597857. The reversal of 68889597843 is 34879598886.

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 68889597843 - 2² = 68889597839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68889597823) 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, 1043781753 + ... + 1043781818.

It is an arithmetic number, because the mean of its divisors is an integer number (12525381432).

Almost surely, 2^68889597843 is an apocalyptic number.

68889597843 is a deficient number, since it is larger than the sum of its proper divisors (31313453613).

68889597843 is a wasteful number, since it uses less digits than its factorization.

68889597843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087563585.

The product of its digits is 836075520, while the sum is 75.

The spelling of 68889597843 in words is "sixty-eight billion, eight hundred eighty-nine million, five hundred ninety-seven thousand, eight hundred forty-three".