85427777411 has 2 divisors, whose sum is σ = 85427777412. Its totient is φ = 85427777410.

The previous prime is 85427777381. The next prime is 85427777419. The reversal of 85427777411 is 11477772458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85427777411 - 2¹⁸ = 85427515267 is a prime.

It is not a weakly prime, because it can be changed into another prime (85427777419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42713888705 + 42713888706.

It is an arithmetic number, because the mean of its divisors is an integer number (42713888706).

Almost surely, 2^85427777411 is an apocalyptic number.

85427777411 is a deficient number, since it is larger than the sum of its proper divisors (1).

85427777411 is an equidigital number, since it uses as much as digits as its factorization.

85427777411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3073280, while the sum is 53.

The spelling of 85427777411 in words is "eighty-five billion, four hundred twenty-seven million, seven hundred seventy-seven thousand, four hundred eleven".