85875178137 has 16 divisors (see below), whose sum is σ = 131213985792. Its totient is φ = 48937816080.

The previous prime is 85875178133. The next prime is 85875178201. The reversal of 85875178137 is 73187157858.

It is not a de Polignac number, because 85875178137 - 2² = 85875178133 is a prime.

It is a super-2 number, since 2×85875178137² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85875178133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5563539 + ... + 5578952.

It is an arithmetic number, because the mean of its divisors is an integer number (8200874112).

Almost surely, 2^85875178137 is an apocalyptic number.

It is an amenable number.

85875178137 is a deficient number, since it is larger than the sum of its proper divisors (45338807655).

85875178137 is a wasteful number, since it uses less digits than its factorization.

85875178137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11142868.

The product of its digits is 13171200, while the sum is 60.

The spelling of 85875178137 in words is "eighty-five billion, eight hundred seventy-five million, one hundred seventy-eight thousand, one hundred thirty-seven".