84863808 has 112 divisors (see below), whose sum is σ = 253552960. Its totient is φ = 27827712.

The previous prime is 84863797. The next prime is 84863827. The reversal of 84863808 is 80836848.

84863808 is a `hidden beast` number, since 8 + 4 + 8 + 638 + 0 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115410 + ... + 116142.

Almost surely, 2^84863808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84863808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126776480).

84863808 is an abundant number, since it is smaller than the sum of its proper divisors (168689152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84863808 is a wasteful number, since it uses less digits than its factorization.

84863808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 84863808 is about 9212.1554481023. The cubic root of 84863808 is about 439.4480130474.

The spelling of 84863808 in words is "eighty-four million, eight hundred sixty-three thousand, eight hundred eight".