85684441575 has 24 divisors (see below), whose sum is σ = 144679097088. Its totient is φ = 44726061280.

The previous prime is 85684441561. The next prime is 85684441613. The reversal of 85684441575 is 57514448658.

It is not a de Polignac number, because 85684441575 - 2¹⁸ = 85684179431 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12150297 + ... + 12157346.

It is an arithmetic number, because the mean of its divisors is an integer number (6028295712).

Almost surely, 2^85684441575 is an apocalyptic number.

85684441575 is a deficient number, since it is larger than the sum of its proper divisors (58994655513).

85684441575 is a wasteful number, since it uses less digits than its factorization.

85684441575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24307703 (or 24307698 counting only the distinct ones).

The product of its digits is 21504000, while the sum is 57.

The spelling of 85684441575 in words is "eighty-five billion, six hundred eighty-four million, four hundred forty-one thousand, five hundred seventy-five".