84445408955 has 4 divisors (see below), whose sum is σ = 101334490752. Its totient is φ = 67556327160.

The previous prime is 84445408951. The next prime is 84445408973. The reversal of 84445408955 is 55980454448.

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

It is not a de Polignac number, because 84445408955 - 2² = 84445408951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84445408955.

It is not an unprimeable number, because it can be changed into a prime (84445408951) 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, 8444540891 + ... + 8444540900.

It is an arithmetic number, because the mean of its divisors is an integer number (25333622688).

Almost surely, 2^84445408955 is an apocalyptic number.

84445408955 is a deficient number, since it is larger than the sum of its proper divisors (16889081797).

84445408955 is a wasteful number, since it uses less digits than its factorization.

84445408955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16889081796.

The product of its (nonzero) digits is 18432000, while the sum is 56.

The spelling of 84445408955 in words is "eighty-four billion, four hundred forty-five million, four hundred eight thousand, nine hundred fifty-five".