83863273 has 16 divisors (see below), whose sum is σ = 94021200. Its totient is φ = 74269440.

The previous prime is 83863237. The next prime is 83863279. The reversal of 83863273 is 37236838.

It can be written as a sum of positive squares in 8 ways, for example, as 2917264 + 80946009 = 1708^2 + 8997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83863273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83863279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67623 + ... + 68851.

It is an arithmetic number, because the mean of its divisors is an integer number (5876325).

Almost surely, 2^83863273 is an apocalyptic number.

It is an amenable number.

83863273 is a deficient number, since it is larger than the sum of its proper divisors (10157927).

83863273 is a wasteful number, since it uses less digits than its factorization.

83863273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452.

The product of its digits is 145152, while the sum is 40.

The square root of 83863273 is about 9157.6892827831. The cubic root of 83863273 is about 437.7141664903.

The spelling of 83863273 in words is "eighty-three million, eight hundred sixty-three thousand, two hundred seventy-three".