85398767 has 2 divisors, whose sum is σ = 85398768. Its totient is φ = 85398766.

The previous prime is 85398757. The next prime is 85398773. The reversal of 85398767 is 76789358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85398767 - 2⁴ = 85398751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85398727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42699383 + 42699384.

It is an arithmetic number, because the mean of its divisors is an integer number (42699384).

Almost surely, 2^85398767 is an apocalyptic number.

85398767 is a deficient number, since it is larger than the sum of its proper divisors (1).

85398767 is an equidigital number, since it uses as much as digits as its factorization.

85398767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The square root of 85398767 is about 9241.1453294492. The cubic root of 85398767 is about 440.3694675642.

The spelling of 85398767 in words is "eighty-five million, three hundred ninety-eight thousand, seven hundred sixty-seven".