83887541 has 2 divisors, whose sum is σ = 83887542. Its totient is φ = 83887540.

The previous prime is 83887513. The next prime is 83887561. The reversal of 83887541 is 14578838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62078641 + 21808900 = 7879^2 + 4670^2 .

It is a cyclic number.

It is not a de Polignac number, because 83887541 - 2⁶ = 83887477 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 83887492 and 83887501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83887561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41943770 + 41943771.

It is an arithmetic number, because the mean of its divisors is an integer number (41943771).

Almost surely, 2^83887541 is an apocalyptic number.

It is an amenable number.

83887541 is a deficient number, since it is larger than the sum of its proper divisors (1).

83887541 is an equidigital number, since it uses as much as digits as its factorization.

83887541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 44.

The square root of 83887541 is about 9159.0141936783. The cubic root of 83887541 is about 437.7563837111.

The spelling of 83887541 in words is "eighty-three million, eight hundred eighty-seven thousand, five hundred forty-one".