84868902 has 12 divisors (see below), whose sum is σ = 183882660. Its totient is φ = 28289628.

The previous prime is 84868891. The next prime is 84868907. The reversal of 84868902 is 20986848.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84868907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2357452 + ... + 2357487.

It is an arithmetic number, because the mean of its divisors is an integer number (15323555).

Almost surely, 2^84868902 is an apocalyptic number.

84868902 is an abundant number, since it is smaller than the sum of its proper divisors (99013758).

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

84868902 is a wasteful number, since it uses less digits than its factorization.

84868902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714947 (or 4714944 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 84868902 is about 9212.4319264785. The cubic root of 84868902 is about 439.4568055800.

The spelling of 84868902 in words is "eighty-four million, eight hundred sixty-eight thousand, nine hundred two".