85652899 has 2 divisors, whose sum is σ = 85652900. Its totient is φ = 85652898.

The previous prime is 85652873. The next prime is 85652923. The reversal of 85652899 is 99825658.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85652899 - 2⁷ = 85652771 is a prime.

It is not a weakly prime, because it can be changed into another prime (85652839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42826449 + 42826450.

It is an arithmetic number, because the mean of its divisors is an integer number (42826450).

Almost surely, 2^85652899 is an apocalyptic number.

85652899 is a deficient number, since it is larger than the sum of its proper divisors (1).

85652899 is an equidigital number, since it uses as much as digits as its factorization.

85652899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 52.

The square root of 85652899 is about 9254.8851424531. The cubic root of 85652899 is about 440.8058561694.

The spelling of 85652899 in words is "eighty-five million, six hundred fifty-two thousand, eight hundred ninety-nine".