84308021876 has 24 divisors (see below), whose sum is σ = 158908856904. Its totient is φ = 38906334720.

The previous prime is 84308021839. The next prime is 84308021891. The reversal of 84308021876 is 67812080348.

It can be written as a sum of positive squares in 4 ways, for example, as 18835600 + 84289186276 = 4340^2 + 290326^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 84308021876.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314216 + ... + 517056.

It is an arithmetic number, because the mean of its divisors is an integer number (6621202371).

Almost surely, 2^84308021876 is an apocalyptic number.

It is an amenable number.

84308021876 is a deficient number, since it is larger than the sum of its proper divisors (74600835028).

84308021876 is a wasteful number, since it uses less digits than its factorization.

84308021876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210851 (or 210849 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 84308021876 in words is "eighty-four billion, three hundred eight million, twenty-one thousand, eight hundred seventy-six".