83873020 has 96 divisors (see below), whose sum is σ = 222082560. Its totient is φ = 25847040.

The previous prime is 83872991. The next prime is 83873057. The reversal of 83873020 is 2037838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164526 + ... + 165034.

It is an arithmetic number, because the mean of its divisors is an integer number (2313360).

Almost surely, 2^83873020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83873020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111041280).

83873020 is an abundant number, since it is smaller than the sum of its proper divisors (138209540).

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

83873020 is a wasteful number, since it uses less digits than its factorization.

83873020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 83873020 is about 9158.2214430532. The cubic root of 83873020 is about 437.7311235942.

The spelling of 83873020 in words is "eighty-three million, eight hundred seventy-three thousand, twenty".