85237276847117 has 4 divisors (see below), whose sum is σ = 85237305250140. Its totient is φ = 85237248444096.

The previous prime is 85237276847111. The next prime is 85237276847147. The reversal of 85237276847117 is 71174867273258.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83166265158916 + 2071011688201 = 9119554^2 + 1439101^2 .

It is a cyclic number.

It is not a de Polignac number, because 85237276847117 - 2⁴ = 85237276847101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85237276847111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9085742 + ... + 15906767.

It is an arithmetic number, because the mean of its divisors is an integer number (21309326312535).

Almost surely, 2^{85237276847117} is an apocalyptic number.

It is an amenable number.

85237276847117 is a deficient number, since it is larger than the sum of its proper divisors (28403023).

85237276847117 is a wasteful number, since it uses less digits than its factorization.

85237276847117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28403022.

The product of its digits is 221276160, while the sum is 68.

The spelling of 85237276847117 in words is "eighty-five trillion, two hundred thirty-seven billion, two hundred seventy-six million, eight hundred forty-seven thousand, one hundred seventeen".