85911212694 has 16 divisors (see below), whose sum is σ = 171826696368. Its totient is φ = 28636359072.

The previous prime is 85911212689. The next prime is 85911212729. The reversal of 85911212694 is 49621211958.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122584 + ... + 432260.

It is an arithmetic number, because the mean of its divisors is an integer number (10739168523).

Almost surely, 2^85911212694 is an apocalyptic number.

85911212694 is an abundant number, since it is smaller than the sum of its proper divisors (85915483674).

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

85911212694 is a wasteful number, since it uses less digits than its factorization.

85911212694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355919.

The product of its digits is 311040, while the sum is 48.

The spelling of 85911212694 in words is "eighty-five billion, nine hundred eleven million, two hundred twelve thousand, six hundred ninety-four".