85842307 has 2 divisors, whose sum is σ = 85842308. Its totient is φ = 85842306.

The previous prime is 85842283. The next prime is 85842329. The reversal of 85842307 is 70324858.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85842307 - 2⁷ = 85842179 is a prime.

It is not a weakly prime, because it can be changed into another prime (85842377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42921153 + 42921154.

It is an arithmetic number, because the mean of its divisors is an integer number (42921154).

Almost surely, 2^85842307 is an apocalyptic number.

85842307 is a deficient number, since it is larger than the sum of its proper divisors (1).

85842307 is an equidigital number, since it uses as much as digits as its factorization.

85842307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 85842307 is about 9265.1123576565. The cubic root of 85842307 is about 441.1305413767.

The spelling of 85842307 in words is "eighty-five million, eight hundred forty-two thousand, three hundred seven".