83873558 has 4 divisors (see below), whose sum is σ = 125810340. Its totient is φ = 41936778.

The previous prime is 83873557. The next prime is 83873567. The reversal of 83873558 is 85537838.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83873551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20968388 + ... + 20968391.

It is an arithmetic number, because the mean of its divisors is an integer number (31452585).

Almost surely, 2^83873558 is an apocalyptic number.

83873558 is a deficient number, since it is larger than the sum of its proper divisors (41936782).

83873558 is a wasteful number, since it uses less digits than its factorization.

83873558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41936781.

The product of its digits is 806400, while the sum is 47.

The square root of 83873558 is about 9158.2508155215. The cubic root of 83873558 is about 437.7320595283.

The spelling of 83873558 in words is "eighty-three million, eight hundred seventy-three thousand, five hundred fifty-eight".