85687810526 has 8 divisors (see below), whose sum is σ = 130956842664. Its totient is φ = 42035529640.

The previous prime is 85687810519. The next prime is 85687810561. The reversal of 85687810526 is 62501878658.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404187680 + ... + 404187891.

It is an arithmetic number, because the mean of its divisors is an integer number (16369605333).

Almost surely, 2^85687810526 is an apocalyptic number.

85687810526 is a deficient number, since it is larger than the sum of its proper divisors (45269032138).

85687810526 is a wasteful number, since it uses less digits than its factorization.

85687810526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808375626.

The product of its (nonzero) digits is 6451200, while the sum is 56.

The spelling of 85687810526 in words is "eighty-five billion, six hundred eighty-seven million, eight hundred ten thousand, five hundred twenty-six".