84524520959 has 4 divisors (see below), whose sum is σ = 84533714616. Its totient is φ = 84515327304.

The previous prime is 84524520953. The next prime is 84524521001. The reversal of 84524520959 is 95902542548.

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 84524520959 - 2¹⁶ = 84524455423 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 84524520959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84524520953) 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, 4583024 + ... + 4601429.

It is an arithmetic number, because the mean of its divisors is an integer number (21133428654).

Almost surely, 2^84524520959 is an apocalyptic number.

84524520959 is a deficient number, since it is larger than the sum of its proper divisors (9193657).

84524520959 is an equidigital number, since it uses as much as digits as its factorization.

84524520959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9193656.

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 84524520959 in words is "eighty-four billion, five hundred twenty-four million, five hundred twenty thousand, nine hundred fifty-nine".