84087842894 has 8 divisors (see below), whose sum is σ = 137598288408. Its totient is φ = 38221746760.

The previous prime is 84087842893. The next prime is 84087842897. The reversal of 84087842894 is 49824878048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84087842893) 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, 1911087317 + ... + 1911087360.

It is an arithmetic number, because the mean of its divisors is an integer number (17199786051).

Almost surely, 2^84087842894 is an apocalyptic number.

84087842894 is a deficient number, since it is larger than the sum of its proper divisors (53510445514).

84087842894 is a wasteful number, since it uses less digits than its factorization.

84087842894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822174690.

The product of its (nonzero) digits is 33030144, while the sum is 62.

The spelling of 84087842894 in words is "eighty-four billion, eighty-seven million, eight hundred forty-two thousand, eight hundred ninety-four".