83880360 has 80 divisors (see below), whose sum is σ = 281942100. Its totient is φ = 22367232.

The previous prime is 83880353. The next prime is 83880361. The reversal of 83880360 is 6308838.

It can be written as a sum of positive squares in 2 ways, for example, as 80030916 + 3849444 = 8946^2 + 1962^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (83880361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9705 + ... + 16184.

Almost surely, 2^83880360 is an apocalyptic number.

It is an amenable number.

83880360 is an abundant number, since it is smaller than the sum of its proper divisors (198061740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83880360 is a wasteful number, since it uses less digits than its factorization.

83880360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25912 (or 25899 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 83880360 is about 9158.6221671166. The cubic root of 83880360 is about 437.7438923119.

The spelling of 83880360 in words is "eighty-three million, eight hundred eighty thousand, three hundred sixty".