85969058237 has 6 divisors (see below), whose sum is σ = 88831712574. Its totient is φ = 83195861880.

The previous prime is 85969058209. The next prime is 85969058239. The reversal of 85969058237 is 73285096958.

It can be written as a sum of positive squares in only one way, i.e., 51901496761 + 34067561476 = 227819^2 + 184574^2 .

It is not a de Polignac number, because 85969058237 - 2¹⁶ = 85968992701 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 85969058237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85969058239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44727998 + ... + 44729919.

It is an arithmetic number, because the mean of its divisors is an integer number (14805285429).

Almost surely, 2^85969058237 is an apocalyptic number.

It is an amenable number.

85969058237 is a deficient number, since it is larger than the sum of its proper divisors (2862654337).

85969058237 is an equidigital number, since it uses as much as digits as its factorization.

85969058237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89457979 (or 89457948 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 62.

The spelling of 85969058237 in words is "eighty-five billion, nine hundred sixty-nine million, fifty-eight thousand, two hundred thirty-seven".