85299307 has 2 divisors, whose sum is σ = 85299308. Its totient is φ = 85299306.

The previous prime is 85299287. The next prime is 85299323. The reversal of 85299307 is 70399258.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85299307 - 2²³ = 76910699 is a prime.

It is not a weakly prime, because it can be changed into another prime (85299377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42649653 + 42649654.

It is an arithmetic number, because the mean of its divisors is an integer number (42649654).

Almost surely, 2^85299307 is an apocalyptic number.

85299307 is a deficient number, since it is larger than the sum of its proper divisors (1).

85299307 is an equidigital number, since it uses as much as digits as its factorization.

85299307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 85299307 is about 9235.7623940853. The cubic root of 85299307 is about 440.1984418245.

The spelling of 85299307 in words is "eighty-five million, two hundred ninety-nine thousand, three hundred seven".