83187108054 has 24 divisors (see below), whose sum is σ = 186914243880. Its totient is φ = 27729035856.

The previous prime is 83187108047. The next prime is 83187108091. The reversal of 83187108054 is 45080178138.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 85582959 + ... + 85583930.

It is an arithmetic number, because the mean of its divisors is an integer number (7788093495).

Almost surely, 2^83187108054 is an apocalyptic number.

83187108054 is an abundant number, since it is smaller than the sum of its proper divisors (103727135826).

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

83187108054 is a wasteful number, since it uses less digits than its factorization.

83187108054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171166906 (or 171166894 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 83187108054 in words is "eighty-three billion, one hundred eighty-seven million, one hundred eight thousand, fifty-four".