85392427 has 2 divisors, whose sum is σ = 85392428. Its totient is φ = 85392426.

The previous prime is 85392409. The next prime is 85392431. The reversal of 85392427 is 72429358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85392427 - 2¹¹ = 85390379 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85392427.

It is not a weakly prime, because it can be changed into another prime (85396427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42696213 + 42696214.

It is an arithmetic number, because the mean of its divisors is an integer number (42696214).

Almost surely, 2^85392427 is an apocalyptic number.

85392427 is a deficient number, since it is larger than the sum of its proper divisors (1).

85392427 is an equidigital number, since it uses as much as digits as its factorization.

85392427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 85392427 is about 9240.8022920091. The cubic root of 85392427 is about 440.3585696257.

The spelling of 85392427 in words is "eighty-five million, three hundred ninety-two thousand, four hundred twenty-seven".