84587983 has 4 divisors (see below), whose sum is σ = 87504840. Its totient is φ = 81671128.

The previous prime is 84587959. The next prime is 84588013. The reversal of 84587983 is 38978548.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84587983 - 2⁹ = 84587471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84587983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84587953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1458385 + ... + 1458442.

It is an arithmetic number, because the mean of its divisors is an integer number (21876210).

Almost surely, 2^84587983 is an apocalyptic number.

84587983 is a deficient number, since it is larger than the sum of its proper divisors (2916857).

84587983 is a wasteful number, since it uses less digits than its factorization.

84587983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916856.

The product of its digits is 1935360, while the sum is 52.

The square root of 84587983 is about 9197.1725546496. The cubic root of 84587983 is about 438.9713972056.

The spelling of 84587983 in words is "eighty-four million, five hundred eighty-seven thousand, nine hundred eighty-three".