84975686 has 16 divisors (see below), whose sum is σ = 129167136. Its totient is φ = 41922816.

The previous prime is 84975679. The next prime is 84975689. The reversal of 84975686 is 68657948.

It is a super-2 number, since 2×84975686² = 14441734422341192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84975689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125180 + ... + 125856.

It is an arithmetic number, because the mean of its divisors is an integer number (8072946).

Almost surely, 2^84975686 is an apocalyptic number.

84975686 is a deficient number, since it is larger than the sum of its proper divisors (44191450).

84975686 is a wasteful number, since it uses less digits than its factorization.

84975686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423.

The product of its digits is 2903040, while the sum is 53.

The square root of 84975686 is about 9218.2257511953. The cubic root of 84975686 is about 439.6410398780.

The spelling of 84975686 in words is "eighty-four million, nine hundred seventy-five thousand, six hundred eighty-six".