85806916038 has 24 divisors (see below), whose sum is σ = 188461768248. Its totient is φ = 28210492512.

The previous prime is 85806915989. The next prime is 85806916081. The reversal of 85806916038 is 83061960858.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32649720 + ... + 32652347.

It is an arithmetic number, because the mean of its divisors is an integer number (7852573677).

Almost surely, 2^85806916038 is an apocalyptic number.

85806916038 is an abundant number, since it is smaller than the sum of its proper divisors (102654852210).

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

85806916038 is a wasteful number, since it uses less digits than its factorization.

85806916038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65302148 (or 65302145 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 85806916038 in words is "eighty-five billion, eight hundred six million, nine hundred sixteen thousand, thirty-eight".