85653936159 has 16 divisors (see below), whose sum is σ = 126938254464. Its totient is φ = 50932013600.

The previous prime is 85653936101. The next prime is 85653936191. The reversal of 85653936159 is 95163935658.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 85653936159 - 2²³ = 85645547551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85653936659) 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, 24484797 + ... + 24488294.

It is an arithmetic number, because the mean of its divisors is an integer number (7933640904).

Almost surely, 2^85653936159 is an apocalyptic number.

85653936159 is a deficient number, since it is larger than the sum of its proper divisors (41284318305).

85653936159 is a wasteful number, since it uses less digits than its factorization.

85653936159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48973158.

The product of its digits is 26244000, while the sum is 60.

The spelling of 85653936159 in words is "eighty-five billion, six hundred fifty-three million, nine hundred thirty-six thousand, one hundred fifty-nine".