85805702237 has 8 divisors (see below), whose sum is σ = 86055444480. Its totient is φ = 85556155680.

The previous prime is 85805702231. The next prime is 85805702317. The reversal of 85805702237 is 73220750858.

It is a happy number.

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 85805702237 - 2¹² = 85805698141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85805702191 and 85805702200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85805702231) 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, 853412 + ... + 948642.

It is an arithmetic number, because the mean of its divisors is an integer number (10756930560).

Almost surely, 2^85805702237 is an apocalyptic number.

It is an amenable number.

85805702237 is a deficient number, since it is larger than the sum of its proper divisors (249742243).

85805702237 is a wasteful number, since it uses less digits than its factorization.

85805702237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97843.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 85805702237 in words is "eighty-five billion, eight hundred five million, seven hundred two thousand, two hundred thirty-seven".