84719685 has 16 divisors (see below), whose sum is σ = 137462400. Its totient is φ = 44546880.

The previous prime is 84719669. The next prime is 84719717. The reversal of 84719685 is 58691748.

It is not a de Polignac number, because 84719685 - 2⁴ = 84719669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38710 + ... + 40839.

It is an arithmetic number, because the mean of its divisors is an integer number (8591400).

Almost surely, 2^84719685 is an apocalyptic number.

It is an amenable number.

84719685 is a deficient number, since it is larger than the sum of its proper divisors (52742715).

84719685 is a wasteful number, since it uses less digits than its factorization.

84719685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79628.

The product of its digits is 483840, while the sum is 48.

The square root of 84719685 is about 9204.3296877068. The cubic root of 84719685 is about 439.1991026471.

The spelling of 84719685 in words is "eighty-four million, seven hundred nineteen thousand, six hundred eighty-five".