84485858809 has 4 divisors (see below), whose sum is σ = 92166391440. Its totient is φ = 76805326180.

The previous prime is 84485858803. The next prime is 84485858843. The reversal of 84485858809 is 90885858448.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 84485858809 - 2³ = 84485858801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84485858801) 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, 3840266299 + ... + 3840266320.

It is an arithmetic number, because the mean of its divisors is an integer number (23041597860).

Almost surely, 2^84485858809 is an apocalyptic number.

It is an amenable number.

84485858809 is a deficient number, since it is larger than the sum of its proper divisors (7680532631).

84485858809 is a wasteful number, since it uses less digits than its factorization.

84485858809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7680532630.

The product of its (nonzero) digits is 117964800, while the sum is 67.

The spelling of 84485858809 in words is "eighty-four billion, four hundred eighty-five million, eight hundred fifty-eight thousand, eight hundred nine".