80834386842 has 48 divisors (see below), whose sum is σ = 192280132512. Its totient is φ = 24339238560.

The previous prime is 80834386781. The next prime is 80834386901. The reversal of 80834386842 is 24868343808.

It is a super-2 number, since 2×80834386842² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1269088 + ... + 1331259.

It is an arithmetic number, because the mean of its divisors is an integer number (4005836094).

Almost surely, 2^80834386842 is an apocalyptic number.

80834386842 is an abundant number, since it is smaller than the sum of its proper divisors (111445745670).

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

80834386842 is a wasteful number, since it uses less digits than its factorization.

80834386842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600523 (or 2600520 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 54.

The spelling of 80834386842 in words is "eighty billion, eight hundred thirty-four million, three hundred eighty-six thousand, eight hundred forty-two".