83999276500 has 24 divisors (see below), whose sum is σ = 183454420968. Its totient is φ = 33599710400.

The previous prime is 83999276489. The next prime is 83999276527. The reversal of 83999276500 is 567299938.

It can be written as a sum of positive squares in 4 ways, for example, as 1283215684 + 82716060816 = 35822^2 + 287604^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83998777 + ... + 83999776.

It is an arithmetic number, because the mean of its divisors is an integer number (7643934207).

Almost surely, 2^83999276500 is an apocalyptic number.

It is an amenable number.

83999276500 is an abundant number, since it is smaller than the sum of its proper divisors (99455144468).

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

83999276500 is a wasteful number, since it uses less digits than its factorization.

83999276500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167998572 (or 167998560 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 83999276500 in words is "eighty-three billion, nine hundred ninety-nine million, two hundred seventy-six thousand, five hundred".