84278802 has 16 divisors (see below), whose sum is σ = 172144512. Its totient is φ = 27495120.

The previous prime is 84278797. The next prime is 84278807. The reversal of 84278802 is 20887248.

It is an interprime number because it is at equal distance from previous prime (84278797) and next prime (84278807).

It is not an unprimeable number, because it can be changed into a prime (84278807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149149 + ... + 149712.

It is an arithmetic number, because the mean of its divisors is an integer number (10759032).

Almost surely, 2^84278802 is an apocalyptic number.

84278802 is an abundant number, since it is smaller than the sum of its proper divisors (87865710).

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

84278802 is a wasteful number, since it uses less digits than its factorization.

84278802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298913.

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 84278802 is about 9180.3486861883. The cubic root of 84278802 is about 438.4359101388.

The spelling of 84278802 in words is "eighty-four million, two hundred seventy-eight thousand, eight hundred two".