84508863 has 8 divisors (see below), whose sum is σ = 113251248. Its totient is φ = 56052864.

The previous prime is 84508859. The next prime is 84508873. The reversal of 84508863 is 36880548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84508863 - 2² = 84508859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84508873) 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, 70906 + ... + 72087.

It is an arithmetic number, because the mean of its divisors is an integer number (14156406).

Almost surely, 2^84508863 is an apocalyptic number.

84508863 is a deficient number, since it is larger than the sum of its proper divisors (28742385).

84508863 is a wasteful number, since it uses less digits than its factorization.

84508863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143193.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 84508863 is about 9192.8702264309. The cubic root of 84508863 is about 438.8344894554.

The spelling of 84508863 in words is "eighty-four million, five hundred eight thousand, eight hundred sixty-three".