85549824371 has 16 divisors (see below), whose sum is σ = 94034787840. Its totient is φ = 77184984480.

The previous prime is 85549824341. The next prime is 85549824377. The reversal of 85549824371 is 17342894558.

It is a cyclic number.

It is not a de Polignac number, because 85549824371 - 2¹⁰ = 85549823347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85549824377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737510 + ... + 845588.

It is an arithmetic number, because the mean of its divisors is an integer number (5877174240).

Almost surely, 2^85549824371 is an apocalyptic number.

85549824371 is a deficient number, since it is larger than the sum of its proper divisors (8484963469).

85549824371 is a wasteful number, since it uses less digits than its factorization.

85549824371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108634.

The product of its digits is 9676800, while the sum is 56.

The spelling of 85549824371 in words is "eighty-five billion, five hundred forty-nine million, eight hundred twenty-four thousand, three hundred seventy-one".