85250670287 has 4 divisors (see below), whose sum is σ = 90265415616. Its totient is φ = 80235924960.

The previous prime is 85250670259. The next prime is 85250670317. The reversal of 85250670287 is 78207605258.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85250670287 - 2¹⁴ = 85250653903 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 (85250670227) 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, 2507372639 + ... + 2507372672.

It is an arithmetic number, because the mean of its divisors is an integer number (22566353904).

Almost surely, 2^85250670287 is an apocalyptic number.

85250670287 is a deficient number, since it is larger than the sum of its proper divisors (5014745329).

85250670287 is a wasteful number, since it uses less digits than its factorization.

85250670287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014745328.

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 85250670287 in words is "eighty-five billion, two hundred fifty million, six hundred seventy thousand, two hundred eighty-seven".