85107007 has 2 divisors, whose sum is σ = 85107008. Its totient is φ = 85107006.

The previous prime is 85106971. The next prime is 85107013. The reversal of 85107007 is 70070158.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85107007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85107047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42553503 + 42553504.

It is an arithmetic number, because the mean of its divisors is an integer number (42553504).

Almost surely, 2^85107007 is an apocalyptic number.

85107007 is a deficient number, since it is larger than the sum of its proper divisors (1).

85107007 is an equidigital number, since it uses as much as digits as its factorization.

85107007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 85107007 is about 9225.3459013741. The cubic root of 85107007 is about 439.8673963358.

It can be divided in two parts, 8 and 5107007, that added together give a palindrome (5107015).

The spelling of 85107007 in words is "eighty-five million, one hundred seven thousand, seven".