84986811 has 24 divisors (see below), whose sum is σ = 151089120. Its totient is φ = 44827776.

The previous prime is 84986789. The next prime is 84986813. The reversal of 84986811 is 11868948.

It is not a de Polignac number, because 84986811 - 2⁷ = 84986683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84986813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51066 + ... + 52703.

It is an arithmetic number, because the mean of its divisors is an integer number (6295380).

Almost surely, 2^84986811 is an apocalyptic number.

84986811 is a deficient number, since it is larger than the sum of its proper divisors (66102309).

84986811 is a wasteful number, since it uses less digits than its factorization.

84986811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103795 (or 103792 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 84986811 is about 9218.8291555924. The cubic root of 84986811 is about 439.6602249467.

The spelling of 84986811 in words is "eighty-four million, nine hundred eighty-six thousand, eight hundred eleven".