85546377364571 has 2 divisors, whose sum is σ = 85546377364572. Its totient is φ = 85546377364570.

The previous prime is 85546377364517. The next prime is 85546377364603. The reversal of 85546377364571 is 17546377364558.

It is a happy number.

Together with previous prime (85546377364517) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85546377364571 - 2⁴² = 81148330853467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85546377364495 and 85546377364504.

It is not a weakly prime, because it can be changed into another prime (85546377364501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42773188682285 + 42773188682286.

It is an arithmetic number, because the mean of its divisors is an integer number (42773188682286).

Almost surely, 2^{85546377364571} is an apocalyptic number.

85546377364571 is a deficient number, since it is larger than the sum of its proper divisors (1).

85546377364571 is an equidigital number, since it uses as much as digits as its factorization.

85546377364571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112000, while the sum is 71.

The spelling of 85546377364571 in words is "eighty-five trillion, five hundred forty-six billion, three hundred seventy-seven million, three hundred sixty-four thousand, five hundred seventy-one".