84442057353607 has 4 divisors (see below), whose sum is σ = 84770625670416. Its totient is φ = 84113489036800.

The previous prime is 84442057353523. The next prime is 84442057353631. The reversal of 84442057353607 is 70635375024448.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84442057353607 is a prime.

It is a super-2 number, since 2×84442057353607² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84442057353697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164284158019 + ... + 164284158532.

It is an arithmetic number, because the mean of its divisors is an integer number (21192656417604).

Almost surely, 2^{84442057353607} is an apocalyptic number.

84442057353607 is a deficient number, since it is larger than the sum of its proper divisors (328568316809).

84442057353607 is a wasteful number, since it uses less digits than its factorization.

84442057353607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328568316808.

The product of its (nonzero) digits is 67737600, while the sum is 58.

The spelling of 84442057353607 in words is "eighty-four trillion, four hundred forty-two billion, fifty-seven million, three hundred fifty-three thousand, six hundred seven".