83220875 has 16 divisors (see below), whose sum is σ = 105333696. Its totient is φ = 65632000.

The previous prime is 83220871. The next prime is 83220889. The reversal of 83220875 is 57802238.

It is a happy number.

It is not a de Polignac number, because 83220875 - 2² = 83220871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83220871) 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, 4187 + ... + 13563.

It is an arithmetic number, because the mean of its divisors is an integer number (6583356).

Almost surely, 2^83220875 is an apocalyptic number.

83220875 is a deficient number, since it is larger than the sum of its proper divisors (22112821).

83220875 is an equidigital number, since it uses as much as digits as its factorization.

83220875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9463 (or 9453 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 83220875 is about 9122.5476156609. The cubic root of 83220875 is about 436.5936611111.

The spelling of 83220875 in words is "eighty-three million, two hundred twenty thousand, eight hundred seventy-five".