81346822234 has 8 divisors (see below), whose sum is σ = 127325460960. Its totient is φ = 38905001916.

The previous prime is 81346822187. The next prime is 81346822237. The reversal of 81346822234 is 43222864318.

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

It is not an unprimeable number, because it can be changed into a prime (81346822237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884204544 + ... + 884204635.

It is an arithmetic number, because the mean of its divisors is an integer number (15915682620).

Almost surely, 2^81346822234 is an apocalyptic number.

81346822234 is a deficient number, since it is larger than the sum of its proper divisors (45978638726).

81346822234 is a wasteful number, since it uses less digits than its factorization.

81346822234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768409204.

The product of its digits is 442368, while the sum is 43.

The spelling of 81346822234 in words is "eighty-one billion, three hundred forty-six million, eight hundred twenty-two thousand, two hundred thirty-four".