84680534 has 16 divisors (see below), whose sum is σ = 128176128. Its totient is φ = 41957352.

The previous prime is 84680509. The next prime is 84680543. The reversal of 84680534 is 43508648.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 173639 + ... + 174125.

It is an arithmetic number, because the mean of its divisors is an integer number (8011008).

Almost surely, 2^84680534 is an apocalyptic number.

84680534 is a deficient number, since it is larger than the sum of its proper divisors (43495594).

84680534 is a wasteful number, since it uses less digits than its factorization.

84680534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 84680534 is about 9202.2026711000. The cubic root of 84680534 is about 439.1314374069.

The spelling of 84680534 in words is "eighty-four million, six hundred eighty thousand, five hundred thirty-four".