68831100222858 has 320 divisors, whose sum is σ = 159777226781568. Its totient is φ = 22138647943680.

The previous prime is 68831100222853. The next prime is 68831100222887. The reversal of 68831100222858 is 85822200113886.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (68831100222853) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 57987446941 + ... + 57987448127.

Almost surely, 2^{68831100222858} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68831100222858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79888613390784).

68831100222858 is an abundant number, since it is smaller than the sum of its proper divisors (90946126558710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68831100222858 is a wasteful number, since it uses less digits than its factorization.

68831100222858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859 (or 1850 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The spelling of 68831100222858 in words is "sixty-eight trillion, eight hundred thirty-one billion, one hundred million, two hundred twenty-two thousand, eight hundred fifty-eight".