83480569 has 2 divisors, whose sum is σ = 83480570. Its totient is φ = 83480568.

The previous prime is 83480519. The next prime is 83480611. The reversal of 83480569 is 96508438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76125625 + 7354944 = 8725^2 + 2712^2 .

It is a cyclic number.

It is not a de Polignac number, because 83480569 - 2¹⁵ = 83447801 is a prime.

It is a super-2 number, since 2×83480569² = 13938010801127522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83480519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41740284 + 41740285.

It is an arithmetic number, because the mean of its divisors is an integer number (41740285).

Almost surely, 2^83480569 is an apocalyptic number.

It is an amenable number.

83480569 is a deficient number, since it is larger than the sum of its proper divisors (1).

83480569 is an equidigital number, since it uses as much as digits as its factorization.

83480569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 83480569 is about 9136.7701623714. The cubic root of 83480569 is about 437.0473254187.

The spelling of 83480569 in words is "eighty-three million, four hundred eighty thousand, five hundred sixty-nine".