83264287 has 2 divisors, whose sum is σ = 83264288. Its totient is φ = 83264286.

The previous prime is 83264267. The next prime is 83264303. The reversal of 83264287 is 78246238.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83264287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83264227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41632143 + 41632144.

It is an arithmetic number, because the mean of its divisors is an integer number (41632144).

Almost surely, 2^83264287 is an apocalyptic number.

83264287 is a deficient number, since it is larger than the sum of its proper divisors (1).

83264287 is an equidigital number, since it uses as much as digits as its factorization.

83264287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 40.

The square root of 83264287 is about 9124.9266846370. The cubic root of 83264287 is about 436.6695639792.

The spelling of 83264287 in words is "eighty-three million, two hundred sixty-four thousand, two hundred eighty-seven".