83563087 has 2 divisors, whose sum is σ = 83563088. Its totient is φ = 83563086.

The previous prime is 83563069. The next prime is 83563099. The reversal of 83563087 is 78036538.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83563087 - 2¹¹ = 83561039 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83563037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41781543 + 41781544.

It is an arithmetic number, because the mean of its divisors is an integer number (41781544).

Almost surely, 2^83563087 is an apocalyptic number.

83563087 is a deficient number, since it is larger than the sum of its proper divisors (1).

83563087 is an equidigital number, since it uses as much as digits as its factorization.

83563087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 83563087 is about 9141.2847565318. The cubic root of 83563087 is about 437.1912806542.

The spelling of 83563087 in words is "eighty-three million, five hundred sixty-three thousand, eighty-seven".