84959885 has 8 divisors (see below), whose sum is σ = 103623576. Its totient is φ = 66853440.

The previous prime is 84959857. The next prime is 84959891. The reversal of 84959885 is 58895948.

It can be written as a sum of positive squares in 4 ways, for example, as 724201 + 84235684 = 851^2 + 9178^2 .

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

It is not a de Polignac number, because 84959885 - 2⁸ = 84959629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84959885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138974 + ... + 139583.

It is an arithmetic number, because the mean of its divisors is an integer number (12952947).

Almost surely, 2^84959885 is an apocalyptic number.

It is an amenable number.

84959885 is a deficient number, since it is larger than the sum of its proper divisors (18663691).

84959885 is a wasteful number, since it uses less digits than its factorization.

84959885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278623.

The product of its digits is 4147200, while the sum is 56.

The square root of 84959885 is about 9217.3686592216. The cubic root of 84959885 is about 439.6137881663.

The spelling of 84959885 in words is "eighty-four million, nine hundred fifty-nine thousand, eight hundred eighty-five".