84889757 has 8 divisors (see below), whose sum is σ = 91635840. Its totient is φ = 78398320.

The previous prime is 84889751. The next prime is 84889769. The reversal of 84889757 is 75798848.

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

It is a cyclic number.

It is not a de Polignac number, because 84889757 - 2⁴ = 84889741 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 (84889751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62969 + ... + 64302.

It is an arithmetic number, because the mean of its divisors is an integer number (11454480).

Almost surely, 2^84889757 is an apocalyptic number.

It is an amenable number.

84889757 is a deficient number, since it is larger than the sum of its proper divisors (6746083).

84889757 is a wasteful number, since it uses less digits than its factorization.

84889757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127323.

The product of its digits is 4515840, while the sum is 56.

The square root of 84889757 is about 9213.5637513397. The cubic root of 84889757 is about 439.4927988231.

Subtracting from 84889757 its reverse (75798848), we obtain a palindrome (9090909).

The spelling of 84889757 in words is "eighty-four million, eight hundred eighty-nine thousand, seven hundred fifty-seven".