84521591062 has 16 divisors (see below), whose sum is σ = 130227859872. Its totient is φ = 41112636480.

The previous prime is 84521591059. The next prime is 84521591081. The reversal of 84521591062 is 26019512548.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452887 + ... + 611677.

It is an arithmetic number, because the mean of its divisors is an integer number (8139241242).

Almost surely, 2^84521591062 is an apocalyptic number.

84521591062 is a deficient number, since it is larger than the sum of its proper divisors (45706268810).

84521591062 is a wasteful number, since it uses less digits than its factorization.

84521591062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166023.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 84521591062 in words is "eighty-four billion, five hundred twenty-one million, five hundred ninety-one thousand, sixty-two".