85632331718 has 4 divisors (see below), whose sum is σ = 128448497580. Its totient is φ = 42816165858.

The previous prime is 85632331679. The next prime is 85632331747. The reversal of 85632331718 is 81713323658.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81713323658 = 2 ⋅40856661829.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21408082928 + ... + 21408082931.

It is an arithmetic number, because the mean of its divisors is an integer number (32112124395).

Almost surely, 2^85632331718 is an apocalyptic number.

85632331718 is a deficient number, since it is larger than the sum of its proper divisors (42816165862).

85632331718 is a wasteful number, since it uses less digits than its factorization.

85632331718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42816165861.

The product of its digits is 725760, while the sum is 47.

The spelling of 85632331718 in words is "eighty-five billion, six hundred thirty-two million, three hundred thirty-one thousand, seven hundred eighteen".