85091675913 has 12 divisors (see below), whose sum is σ = 122912727808. Its totient is φ = 56726616600.

The previous prime is 85091675899. The next prime is 85091675947. The reversal of 85091675913 is 31957619058.

It is not a de Polignac number, because 85091675913 - 2⁴ = 85091675897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85091675913.

It is not an unprimeable number, because it can be changed into a prime (85091675993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799056 + ... + 899262.

Almost surely, 2^85091675913 is an apocalyptic number.

It is an amenable number.

85091675913 is a deficient number, since it is larger than the sum of its proper divisors (37821051895).

85091675913 is a wasteful number, since it uses less digits than its factorization.

85091675913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194564 (or 194561 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 85091675913 in words is "eighty-five billion, ninety-one million, six hundred seventy-five thousand, nine hundred thirteen".