84584066590 has 16 divisors (see below), whose sum is σ = 153729489888. Its totient is φ = 33505144416.

The previous prime is 84584066569. The next prime is 84584066591. The reversal of 84584066590 is 9566048548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84584066591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41059197 + ... + 41061256.

It is an arithmetic number, because the mean of its divisors is an integer number (9608093118).

Almost surely, 2^84584066590 is an apocalyptic number.

84584066590 is a deficient number, since it is larger than the sum of its proper divisors (69145423298).

84584066590 is a wasteful number, since it uses less digits than its factorization.

84584066590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82120563.

The product of its (nonzero) digits is 8294400, while the sum is 55.

The spelling of 84584066590 in words is "eighty-four billion, five hundred eighty-four million, sixty-six thousand, five hundred ninety".