85975907 has 2 divisors, whose sum is σ = 85975908. Its totient is φ = 85975906.

The previous prime is 85975889. The next prime is 85975943. The reversal of 85975907 is 70957958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85975907 - 2⁸ = 85975651 is a prime.

It is not a weakly prime, because it can be changed into another prime (85975957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42987953 + 42987954.

It is an arithmetic number, because the mean of its divisors is an integer number (42987954).

Almost surely, 2^85975907 is an apocalyptic number.

85975907 is a deficient number, since it is larger than the sum of its proper divisors (1).

85975907 is an equidigital number, since it uses as much as digits as its factorization.

85975907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 793800, while the sum is 50.

The square root of 85975907 is about 9272.3193970009. The cubic root of 85975907 is about 441.3592727736.

The spelling of 85975907 in words is "eighty-five million, nine hundred seventy-five thousand, nine hundred seven".