84485142894 has 32 divisors (see below), whose sum is σ = 171516162816. Its totient is φ = 27737519040.

The previous prime is 84485142887. The next prime is 84485142899. The reversal of 84485142894 is 49824158448.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84485142899) 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 15 ways as a sum of consecutive naturals, for example, 4999279 + ... + 5016149.

It is an arithmetic number, because the mean of its divisors is an integer number (5359880088).

Almost surely, 2^84485142894 is an apocalyptic number.

84485142894 is an abundant number, since it is smaller than the sum of its proper divisors (87031019922).

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

84485142894 is a wasteful number, since it uses less digits than its factorization.

84485142894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29400.

The product of its digits is 11796480, while the sum is 57.

The spelling of 84485142894 in words is "eighty-four billion, four hundred eighty-five million, one hundred forty-two thousand, eight hundred ninety-four".