84343443426 has 64 divisors (see below), whose sum is σ = 204504537600. Its totient is φ = 25554171600.

The previous prime is 84343443383. The next prime is 84343443469. The reversal of 84343443426 is 62434434348.

It is an interprime number because it is at equal distance from previous prime (84343443383) and next prime (84343443469).

It is a super-2 number, since 2×84343443426² (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 31 ways as a sum of consecutive naturals, for example, 5392245 + ... + 5407863.

It is an arithmetic number, because the mean of its divisors is an integer number (3195383400).

Almost surely, 2^84343443426 is an apocalyptic number.

84343443426 is an abundant number, since it is smaller than the sum of its proper divisors (120161094174).

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

84343443426 is a wasteful number, since it uses less digits than its factorization.

84343443426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24732 (or 24726 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 45.

It can be divided in two parts, 8 and 4343443426, that added together give a palindrome (4343443434).

The spelling of 84343443426 in words is "eighty-four billion, three hundred forty-three million, four hundred forty-three thousand, four hundred twenty-six".