83853172 has 12 divisors (see below), whose sum is σ = 158031076. Its totient is φ = 38701440.

The previous prime is 83853131. The next prime is 83853173. The reversal of 83853172 is 27135838.

It can be written as a sum of positive squares in 2 ways, for example, as 41525136 + 42328036 = 6444^2 + 6506^2 .

It is a super-3 number, since 3×83853172³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83853173) 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, 806229 + ... + 806332.

Almost surely, 2^83853172 is an apocalyptic number.

It is an amenable number.

83853172 is a deficient number, since it is larger than the sum of its proper divisors (74177904).

83853172 is a wasteful number, since it uses less digits than its factorization.

83853172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612578 (or 1612576 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 83853172 is about 9157.1377624234. The cubic root of 83853172 is about 437.6965921372.

The spelling of 83853172 in words is "eighty-three million, eight hundred fifty-three thousand, one hundred seventy-two".