84185080 has 32 divisors (see below), whose sum is σ = 216476640. Its totient is φ = 28863360.

The previous prime is 84185069. The next prime is 84185081. The reversal of 84185080 is 8058148.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84185081) 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, 150051 + ... + 150610.

It is an arithmetic number, because the mean of its divisors is an integer number (6764895).

Almost surely, 2^84185080 is an apocalyptic number.

It is an amenable number.

84185080 is an abundant number, since it is smaller than the sum of its proper divisors (132291560).

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

84185080 is a wasteful number, since it uses less digits than its factorization.

84185080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300679 (or 300675 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 84185080 is about 9175.2427760796. The cubic root of 84185080 is about 438.2733293926.

The spelling of 84185080 in words is "eighty-four million, one hundred eighty-five thousand, eighty".