84665876 has 12 divisors (see below), whose sum is σ = 149632980. Its totient is φ = 41913600.

The previous prime is 84665849. The next prime is 84665923. The reversal of 84665876 is 67856648.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36917776 + 47748100 = 6076^2 + 6910^2 .

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, 104381 + ... + 105188.

It is an arithmetic number, because the mean of its divisors is an integer number (12469415).

Almost surely, 2^84665876 is an apocalyptic number.

It is an amenable number.

84665876 is a deficient number, since it is larger than the sum of its proper divisors (64967104).

84665876 is a wasteful number, since it uses less digits than its factorization.

84665876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209674 (or 209672 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The square root of 84665876 is about 9201.4061968810. The cubic root of 84665876 is about 439.1060984074.

The spelling of 84665876 in words is "eighty-four million, six hundred sixty-five thousand, eight hundred seventy-six".