84842664 has 32 divisors (see below), whose sum is σ = 213289440. Its totient is φ = 28123200.

The previous prime is 84842663. The next prime is 84842669. The reversal of 84842664 is 46624848.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (84842663) 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 7 ways as a sum of consecutive naturals, for example, 5422 + ... + 14109.

It is an arithmetic number, because the mean of its divisors is an integer number (6665295).

Almost surely, 2^84842664 is an apocalyptic number.

It is an amenable number.

84842664 is an abundant number, since it is smaller than the sum of its proper divisors (128446776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84842664 is a wasteful number, since it uses less digits than its factorization.

84842664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19721 (or 19717 counting only the distinct ones).

The product of its digits is 294912, while the sum is 42.

The square root of 84842664 is about 9211.0077624547. The cubic root of 84842664 is about 439.4115135439.

The spelling of 84842664 in words is "eighty-four million, eight hundred forty-two thousand, six hundred sixty-four".