85075140009 has 8 divisors (see below), whose sum is σ = 113855207040. Its totient is φ = 56505916496.

The previous prime is 85075139977. The next prime is 85075140041. The reversal of 85075140009 is 90004157058.

It is an interprime number because it is at equal distance from previous prime (85075139977) and next prime (85075140041).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85075140009 - 2⁵ = 85075139977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85075140209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52709937 + ... + 52711550.

It is an arithmetic number, because the mean of its divisors is an integer number (14231900880).

Almost surely, 2^85075140009 is an apocalyptic number.

It is an amenable number.

85075140009 is a deficient number, since it is larger than the sum of its proper divisors (28780067031).

85075140009 is a wasteful number, since it uses less digits than its factorization.

85075140009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105421759.

The product of its (nonzero) digits is 50400, while the sum is 39.

The spelling of 85075140009 in words is "eighty-five billion, seventy-five million, one hundred forty thousand, nine".