84970685 has 8 divisors (see below), whose sum is σ = 104720856. Its totient is φ = 66139200.

The previous prime is 84970651. The next prime is 84970729. The reversal of 84970685 is 58607948.

It can be written as a sum of positive squares in 4 ways, for example, as 33790969 + 51179716 = 5813^2 + 7154^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84970685 - 2²⁴ = 68193469 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 7 ways as a sum of consecutive naturals, for example, 229466 + ... + 229835.

It is an arithmetic number, because the mean of its divisors is an integer number (13090107).

Almost surely, 2^84970685 is an apocalyptic number.

It is an amenable number.

84970685 is a deficient number, since it is larger than the sum of its proper divisors (19750171).

84970685 is a wasteful number, since it uses less digits than its factorization.

84970685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459343.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 84970685 is about 9217.9544911005. The cubic root of 84970685 is about 439.6324151051.

The spelling of 84970685 in words is "eighty-four million, nine hundred seventy thousand, six hundred eighty-five".