84970085 has 4 divisors (see below), whose sum is σ = 101964108. Its totient is φ = 67976064.

The previous prime is 84970057. The next prime is 84970103. The reversal of 84970085 is 58007948.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22259524 + 62710561 = 4718^2 + 7919^2 .

It is a cyclic number.

It is not a de Polignac number, because 84970085 - 2¹⁶ = 84904549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8497004 + ... + 8497013.

It is an arithmetic number, because the mean of its divisors is an integer number (25491027).

Almost surely, 2^84970085 is an apocalyptic number.

It is an amenable number.

84970085 is a deficient number, since it is larger than the sum of its proper divisors (16994023).

84970085 is a wasteful number, since it uses less digits than its factorization.

84970085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16994022.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 84970085 is about 9217.9219458618. The cubic root of 84970085 is about 439.6313803166.

The spelling of 84970085 in words is "eighty-four million, nine hundred seventy thousand, eighty-five".