85546377364557 has 16 divisors (see below), whose sum is σ = 117762079390208. Its totient is φ = 55181447691840.

The previous prime is 85546377364517. The next prime is 85546377364571. The reversal of 85546377364557 is 75546377364558.

It is not a de Polignac number, because 85546377364557 - 2¹⁰ = 85546377363533 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 (85546377364517) 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, 80834038 + ... + 81885495.

It is an arithmetic number, because the mean of its divisors is an integer number (7360129961888).

Almost surely, 2^{85546377364557} is an apocalyptic number.

It is an amenable number.

85546377364557 is a deficient number, since it is larger than the sum of its proper divisors (32215702025651).

85546377364557 is a wasteful number, since it uses less digits than its factorization.

85546377364557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162725220.

The product of its digits is 8890560000, while the sum is 75.

Subtracting from 85546377364557 its reverse (75546377364558), we obtain a palindrome (9999999999999).

The spelling of 85546377364557 in words is "eighty-five trillion, five hundred forty-six billion, three hundred seventy-seven million, three hundred sixty-four thousand, five hundred fifty-seven".