85199280869 has 8 divisors (see below), whose sum is σ = 87971719680. Its totient is φ = 82428346800.

The previous prime is 85199280847. The next prime is 85199280877. The reversal of 85199280869 is 96808299158.

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 85199280869 - 2²⁰ = 85198232293 is a prime.

It is a super-2 number, since 2×85199280869² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85199280839) 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, 260534 + ... + 488135.

It is an arithmetic number, because the mean of its divisors is an integer number (10996464960).

Almost surely, 2^85199280869 is an apocalyptic number.

It is an amenable number.

85199280869 is a deficient number, since it is larger than the sum of its proper divisors (2772438811).

85199280869 is a wasteful number, since it uses less digits than its factorization.

85199280869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752371.

The product of its (nonzero) digits is 22394880, while the sum is 65.

The spelling of 85199280869 in words is "eighty-five billion, one hundred ninety-nine million, two hundred eighty thousand, eight hundred sixty-nine".