85691538294 has 36 divisors (see below), whose sum is σ = 172926944532. Its totient is φ = 28308818160.

The previous prime is 85691538287. The next prime is 85691538313. The reversal of 85691538294 is 49283519658.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 91063864 + ... + 91064804.

It is an arithmetic number, because the mean of its divisors is an integer number (4803526237).

Almost surely, 2^85691538294 is an apocalyptic number.

85691538294 is an abundant number, since it is smaller than the sum of its proper divisors (87235406238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85691538294 is an frugal number, since it uses more digits than its factorization.

85691538294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141 (or 1073 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 60.

The spelling of 85691538294 in words is "eighty-five billion, six hundred ninety-one million, five hundred thirty-eight thousand, two hundred ninety-four".