83885567 has 2 divisors, whose sum is σ = 83885568. Its totient is φ = 83885566.

The previous prime is 83885537. The next prime is 83885573. The reversal of 83885567 is 76558838.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83885567 - 2²⁴ = 67108351 is a prime.

It is a super-2 number, since 2×83885567² = 14073576701822978, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83885507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41942783 + 41942784.

It is an arithmetic number, because the mean of its divisors is an integer number (41942784).

Almost surely, 2^83885567 is an apocalyptic number.

83885567 is a deficient number, since it is larger than the sum of its proper divisors (1).

83885567 is an equidigital number, since it uses as much as digits as its factorization.

83885567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 50.

The square root of 83885567 is about 9158.9064303551. The cubic root of 83885567 is about 437.7529499955.

The spelling of 83885567 in words is "eighty-three million, eight hundred eighty-five thousand, five hundred sixty-seven".