85747699 has 2 divisors, whose sum is σ = 85747700. Its totient is φ = 85747698.

The previous prime is 85747679. The next prime is 85747747. The reversal of 85747699 is 99674758.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85747699 - 2¹⁷ = 85616627 is a prime.

It is not a weakly prime, because it can be changed into another prime (85747679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42873849 + 42873850.

It is an arithmetic number, because the mean of its divisors is an integer number (42873850).

Almost surely, 2^85747699 is an apocalyptic number.

85747699 is a deficient number, since it is larger than the sum of its proper divisors (1).

85747699 is an equidigital number, since it uses as much as digits as its factorization.

85747699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 55.

The square root of 85747699 is about 9260.0053455708. The cubic root of 85747699 is about 440.9684231037.

The spelling of 85747699 in words is "eighty-five million, seven hundred forty-seven thousand, six hundred ninety-nine".