84078102 has 32 divisors (see below), whose sum is σ = 170644320. Its totient is φ = 27614720.

The previous prime is 84078091. The next prime is 84078103. The reversal of 84078102 is 20187048.

It is a self number, because there is not a number n which added to its sum of digits gives 84078102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84078103) 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, 182152 + ... + 182612.

It is an arithmetic number, because the mean of its divisors is an integer number (5332635).

Almost surely, 2^84078102 is an apocalyptic number.

84078102 is an abundant number, since it is smaller than the sum of its proper divisors (86566218).

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

84078102 is a wasteful number, since it uses less digits than its factorization.

84078102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 84078102 is about 9169.4112133768. The cubic root of 84078102 is about 438.0876057538.

The spelling of 84078102 in words is "eighty-four million, seventy-eight thousand, one hundred two".