85016909471 has 16 divisors (see below), whose sum is σ = 92251825344. Its totient is φ = 77881638144.

The previous prime is 85016909431. The next prime is 85016909473. The reversal of 85016909471 is 17490961058.

It is a cyclic number.

It is not a de Polignac number, because 85016909471 - 2¹⁸ = 85016647327 is a prime.

It is a super-3 number, since 3×85016909471³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85016909473) 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, 11033006 + ... + 11040708.

It is an arithmetic number, because the mean of its divisors is an integer number (5765739084).

Almost surely, 2^85016909471 is an apocalyptic number.

85016909471 is a deficient number, since it is larger than the sum of its proper divisors (7234915873).

85016909471 is a wasteful number, since it uses less digits than its factorization.

85016909471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14050.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 85016909471 in words is "eighty-five billion, sixteen million, nine hundred nine thousand, four hundred seventy-one".