84469863 has 16 divisors (see below), whose sum is σ = 115157376. Its totient is φ = 55055520.

The previous prime is 84469843. The next prime is 84469901. The reversal of 84469863 is 36896448.

It is not a de Polignac number, because 84469863 - 2²¹ = 82372711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84469813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54408 + ... + 55938.

It is an arithmetic number, because the mean of its divisors is an integer number (7197336).

Almost surely, 2^84469863 is an apocalyptic number.

84469863 is a deficient number, since it is larger than the sum of its proper divisors (30687513).

84469863 is a wasteful number, since it uses less digits than its factorization.

84469863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934.

The product of its digits is 995328, while the sum is 48.

The square root of 84469863 is about 9190.7487725430. The cubic root of 84469863 is about 438.7669731504.

It can be divided in two parts, 844 and 69863, that added together give a palindrome (70707).

The spelling of 84469863 in words is "eighty-four million, four hundred sixty-nine thousand, eight hundred sixty-three".