84804984021 has 8 divisors (see below), whose sum is σ = 114343799040. Its totient is φ = 55901412512.

The previous prime is 84804984013. The next prime is 84804984059. The reversal of 84804984021 is 12048940848.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 84804984021 - 2³ = 84804984013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84804984091) 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, 158810565 + ... + 158811098.

It is an arithmetic number, because the mean of its divisors is an integer number (14292974880).

Almost surely, 2^84804984021 is an apocalyptic number.

It is an amenable number.

84804984021 is a deficient number, since it is larger than the sum of its proper divisors (29538815019).

84804984021 is a wasteful number, since it uses less digits than its factorization.

84804984021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317621755.

The product of its (nonzero) digits is 589824, while the sum is 48.

The spelling of 84804984021 in words is "eighty-four billion, eight hundred four million, nine hundred eighty-four thousand, twenty-one".