85522346287 has 12 divisors (see below), whose sum is σ = 99424537936. Its totient is φ = 72062392320.

The previous prime is 85522346279. The next prime is 85522346291. The reversal of 85522346287 is 78264322558.

It is not a de Polignac number, because 85522346287 - 2³ = 85522346279 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85522346257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1730514 + ... + 1779247.

Almost surely, 2^85522346287 is an apocalyptic number.

85522346287 is a deficient number, since it is larger than the sum of its proper divisors (13902191649).

85522346287 is an equidigital number, since it uses as much as digits as its factorization.

85522346287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509886 (or 3509827 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 52.

The spelling of 85522346287 in words is "eighty-five billion, five hundred twenty-two million, three hundred forty-six thousand, two hundred eighty-seven".