83895247 has 2 divisors, whose sum is σ = 83895248. Its totient is φ = 83895246.

The previous prime is 83895209. The next prime is 83895263. The reversal of 83895247 is 74259838.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83895247 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 83895197 and 83895206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83895547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41947623 + 41947624.

It is an arithmetic number, because the mean of its divisors is an integer number (41947624).

Almost surely, 2^83895247 is an apocalyptic number.

83895247 is a deficient number, since it is larger than the sum of its proper divisors (1).

83895247 is an equidigital number, since it uses as much as digits as its factorization.

83895247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 83895247 is about 9159.4348624792. The cubic root of 83895247 is about 437.7697875585.

The spelling of 83895247 in words is "eighty-three million, eight hundred ninety-five thousand, two hundred forty-seven".