83875853 has 4 divisors (see below), whose sum is σ = 83894460. Its totient is φ = 83857248.

The previous prime is 83875849. The next prime is 83875879. The reversal of 83875853 is 35857838.

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

It can be written as a sum of positive squares in 2 ways, for example, as 79887844 + 3988009 = 8938^2 + 1997^2 .

It is a cyclic number.

It is not a de Polignac number, because 83875853 - 2² = 83875849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83875798 and 83875807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83875153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2201 + ... + 13137.

It is an arithmetic number, because the mean of its divisors is an integer number (20973615).

Almost surely, 2^83875853 is an apocalyptic number.

It is an amenable number.

83875853 is a deficient number, since it is larger than the sum of its proper divisors (18607).

83875853 is a wasteful number, since it uses less digits than its factorization.

83875853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18606.

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

The square root of 83875853 is about 9158.3761115167. The cubic root of 83875853 is about 437.7360519900.

The spelling of 83875853 in words is "eighty-three million, eight hundred seventy-five thousand, eight hundred fifty-three".