84725891944 has 16 divisors (see below), whose sum is σ = 162241070400. Its totient is φ = 41461606512.

The previous prime is 84725891909. The next prime is 84725891981. The reversal of 84725891944 is 44919852748.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112667034 + ... + 112667785.

It is an arithmetic number, because the mean of its divisors is an integer number (10140066900).

Almost surely, 2^84725891944 is an apocalyptic number.

It is an amenable number.

84725891944 is a deficient number, since it is larger than the sum of its proper divisors (77515178456).

84725891944 is a wasteful number, since it uses less digits than its factorization.

84725891944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225334872 (or 225334868 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 61.

The spelling of 84725891944 in words is "eighty-four billion, seven hundred twenty-five million, eight hundred ninety-one thousand, nine hundred forty-four".