84138989594 has 8 divisors (see below), whose sum is σ = 137681983008. Its totient is φ = 38244995260.

The previous prime is 84138989573. The next prime is 84138989611. The reversal of 84138989594 is 49598983148.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1912249742 + ... + 1912249785.

It is an arithmetic number, because the mean of its divisors is an integer number (17210247876).

Almost surely, 2^84138989594 is an apocalyptic number.

84138989594 is a deficient number, since it is larger than the sum of its proper divisors (53542993414).

84138989594 is a wasteful number, since it uses less digits than its factorization.

84138989594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824499540.

The product of its digits is 89579520, while the sum is 68.

The spelling of 84138989594 in words is "eighty-four billion, one hundred thirty-eight million, nine hundred eighty-nine thousand, five hundred ninety-four".