83475520 has 28 divisors (see below), whose sum is σ = 198776844. Its totient is φ = 33390080.

The previous prime is 83475517. The next prime is 83475521. The reversal of 83475520 is 2557438.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13719616 + 69755904 = 3704^2 + 8352^2 .

It is not an unprimeable number, because it can be changed into a prime (83475521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130111 + ... + 130750.

It is an arithmetic number, because the mean of its divisors is an integer number (7099173).

Almost surely, 2^83475520 is an apocalyptic number.

83475520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83475520 is an abundant number, since it is smaller than the sum of its proper divisors (115301324).

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

83475520 is a wasteful number, since it uses less digits than its factorization.

83475520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260878 (or 260868 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 83475520 is about 9136.4938570548. The cubic root of 83475520 is about 437.0385142009.

The spelling of 83475520 in words is "eighty-three million, four hundred seventy-five thousand, five hundred twenty".