85417065733 has 4 divisors (see below), whose sum is σ = 85492724140. Its totient is φ = 85341407328.

The previous prime is 85417065731. The next prime is 85417065737. The reversal of 85417065733 is 33756071458.

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 50779016964 + 34638048769 = 225342^2 + 186113^2 .

It is a cyclic number.

It is not a de Polignac number, because 85417065733 - 2¹ = 85417065731 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 (85417065731) 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, 37827510 + ... + 37829767.

It is an arithmetic number, because the mean of its divisors is an integer number (21373181035).

Almost surely, 2^85417065733 is an apocalyptic number.

It is an amenable number.

85417065733 is a deficient number, since it is larger than the sum of its proper divisors (75658407).

85417065733 is a wasteful number, since it uses less digits than its factorization.

85417065733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75658406.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 85417065733 in words is "eighty-five billion, four hundred seventeen million, sixty-five thousand, seven hundred thirty-three".