85827942461 has 2 divisors, whose sum is σ = 85827942462. Its totient is φ = 85827942460.

The previous prime is 85827942457. The next prime is 85827942469. The reversal of 85827942461 is 16424972858.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46308888025 + 39519054436 = 215195^2 + 198794^2 .

It is a cyclic number.

It is not a de Polignac number, because 85827942461 - 2² = 85827942457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85827942397 and 85827942406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85827942469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42913971230 + 42913971231.

It is an arithmetic number, because the mean of its divisors is an integer number (42913971231).

Almost surely, 2^85827942461 is an apocalyptic number.

It is an amenable number.

85827942461 is a deficient number, since it is larger than the sum of its proper divisors (1).

85827942461 is an equidigital number, since it uses as much as digits as its factorization.

85827942461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 56.

The spelling of 85827942461 in words is "eighty-five billion, eight hundred twenty-seven million, nine hundred forty-two thousand, four hundred sixty-one".