84870527 has 4 divisors (see below), whose sum is σ = 96994896. Its totient is φ = 72746160.

The previous prime is 84870517. The next prime is 84870547. The reversal of 84870527 is 72507848.

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 84870527 - 2⁸ = 84870271 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84870517) 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, 6062174 + ... + 6062187.

It is an arithmetic number, because the mean of its divisors is an integer number (24248724).

Almost surely, 2^84870527 is an apocalyptic number.

84870527 is a deficient number, since it is larger than the sum of its proper divisors (12124369).

84870527 is a wasteful number, since it uses less digits than its factorization.

84870527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12124368.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 84870527 is about 9212.5201220947. The cubic root of 84870527 is about 439.4596103480.

The spelling of 84870527 in words is "eighty-four million, eight hundred seventy thousand, five hundred twenty-seven".