85512107 has 2 divisors, whose sum is σ = 85512108. Its totient is φ = 85512106.

The previous prime is 85512073. The next prime is 85512113. The reversal of 85512107 is 70121558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85512107 - 2⁸ = 85511851 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 85512107.

It is not a weakly prime, because it can be changed into another prime (85512197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42756053 + 42756054.

It is an arithmetic number, because the mean of its divisors is an integer number (42756054).

Almost surely, 2^85512107 is an apocalyptic number.

85512107 is a deficient number, since it is larger than the sum of its proper divisors (1).

85512107 is an equidigital number, since it uses as much as digits as its factorization.

85512107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 85512107 is about 9247.2756528612. The cubic root of 85512107 is about 440.5641987564.

The spelling of 85512107 in words is "eighty-five million, five hundred twelve thousand, one hundred seven".