84994567 has 6 divisors (see below), whose sum is σ = 98871288. Its totient is φ = 72852444.

The previous prime is 84994561. The next prime is 84994583. The reversal of 84994567 is 76549948.

It is a happy number.

It is not a de Polignac number, because 84994567 - 2¹¹ = 84992519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84994561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 867243 + ... + 867340.

It is an arithmetic number, because the mean of its divisors is an integer number (16478548).

Almost surely, 2^84994567 is an apocalyptic number.

84994567 is a deficient number, since it is larger than the sum of its proper divisors (13876721).

84994567 is a wasteful number, since it uses less digits than its factorization.

84994567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734597 (or 1734590 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 84994567 is about 9219.2498067901. The cubic root of 84994567 is about 439.6735991826.

The spelling of 84994567 in words is "eighty-four million, nine hundred ninety-four thousand, five hundred sixty-seven".