87827941 has 2 divisors, whose sum is σ = 87827942. Its totient is φ = 87827940.

The previous prime is 87827939. The next prime is 87827963. The reversal of 87827941 is 14972878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87497316 + 330625 = 9354^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 87827941 - 2¹ = 87827939 is a prime.

Together with 87827939, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 87827891 and 87827900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87827981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43913970 + 43913971.

It is an arithmetic number, because the mean of its divisors is an integer number (43913971).

Almost surely, 2^87827941 is an apocalyptic number.

It is an amenable number.

87827941 is a deficient number, since it is larger than the sum of its proper divisors (1).

87827941 is an equidigital number, since it uses as much as digits as its factorization.

87827941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 46.

The square root of 87827941 is about 9371.6562570338. The cubic root of 87827941 is about 444.5059382251.

The spelling of 87827941 in words is "eighty-seven million, eight hundred twenty-seven thousand, nine hundred forty-one".