85546317077 has 16 divisors (see below), whose sum is σ = 93266678400. Its totient is φ = 77989407552.

The previous prime is 85546317071. The next prime is 85546317089. The reversal of 85546317077 is 77071364558.

It is a cyclic number.

It is not a de Polignac number, because 85546317077 - 2⁶ = 85546317013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85546317071) 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, 3913424 + ... + 3935222.

It is an arithmetic number, because the mean of its divisors is an integer number (5829167400).

Almost surely, 2^85546317077 is an apocalyptic number.

It is an amenable number.

85546317077 is a deficient number, since it is larger than the sum of its proper divisors (7720361323).

85546317077 is a wasteful number, since it uses less digits than its factorization.

85546317077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25532.

The product of its (nonzero) digits is 4939200, while the sum is 53.

The spelling of 85546317077 in words is "eighty-five billion, five hundred forty-six million, three hundred seventeen thousand, seventy-seven".