84981744475 has 24 divisors (see below), whose sum is σ = 107978370192. Its totient is φ = 66308275200.

The previous prime is 84981744457. The next prime is 84981744493. The reversal of 84981744475 is 57444718948.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84981744457) and next prime (84981744493).

It is not a de Polignac number, because 84981744475 - 2⁵ = 84981744443 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4370124 + ... + 4389526.

It is an arithmetic number, because the mean of its divisors is an integer number (4499098758).

Almost surely, 2^84981744475 is an apocalyptic number.

84981744475 is a deficient number, since it is larger than the sum of its proper divisors (22996625717).

84981744475 is a wasteful number, since it uses less digits than its factorization.

84981744475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23727 (or 23722 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 61.

The spelling of 84981744475 in words is "eighty-four billion, nine hundred eighty-one million, seven hundred forty-four thousand, four hundred seventy-five".