86995841 has 2 divisors, whose sum is σ = 86995842. Its totient is φ = 86995840.

The previous prime is 86995829. The next prime is 86995849. The reversal of 86995841 is 14859968.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80640400 + 6355441 = 8980^2 + 2521^2 .

It is a cyclic number.

It is not a de Polignac number, because 86995841 - 2¹⁴ = 86979457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86995841.

It is not a weakly prime, because it can be changed into another prime (86995849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43497920 + 43497921.

It is an arithmetic number, because the mean of its divisors is an integer number (43497921).

Almost surely, 2^86995841 is an apocalyptic number.

It is an amenable number.

86995841 is a deficient number, since it is larger than the sum of its proper divisors (1).

86995841 is an equidigital number, since it uses as much as digits as its factorization.

86995841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 50.

The square root of 86995841 is about 9327.1561046227. The cubic root of 86995841 is about 443.0977012419.

The spelling of 86995841 in words is "eighty-six million, nine hundred ninety-five thousand, eight hundred forty-one".