83009853 has 20 divisors (see below), whose sum is σ = 124964928. Its totient is φ = 54910440.

The previous prime is 83009831. The next prime is 83009887. The reversal of 83009853 is 35890038.

It is not a de Polignac number, because 83009853 - 2⁹ = 83009341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83009813) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6700 + ... + 14522.

Almost surely, 2^83009853 is an apocalyptic number.

It is an amenable number.

83009853 is a deficient number, since it is larger than the sum of its proper divisors (41955075).

83009853 is a wasteful number, since it uses less digits than its factorization.

83009853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7966 (or 7957 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 83009853 is about 9110.9743167238. The cubic root of 83009853 is about 436.2243272988.

The spelling of 83009853 in words is "eighty-three million, nine thousand, eight hundred fifty-three".