86167841 has 2 divisors, whose sum is σ = 86167842. Its totient is φ = 86167840.

The previous prime is 86167799. The next prime is 86167853. The reversal of 86167841 is 14876168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62742241 + 23425600 = 7921^2 + 4840^2 .

It is a cyclic number.

It is not a de Polignac number, because 86167841 - 2⁶ = 86167777 is a prime.

It is not a weakly prime, because it can be changed into another prime (86167871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43083920 + 43083921.

It is an arithmetic number, because the mean of its divisors is an integer number (43083921).

Almost surely, 2^86167841 is an apocalyptic number.

It is an amenable number.

86167841 is a deficient number, since it is larger than the sum of its proper divisors (1).

86167841 is an equidigital number, since it uses as much as digits as its factorization.

86167841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 41.

The square root of 86167841 is about 9282.6634647605. The cubic root of 86167841 is about 441.6874611941.

The spelling of 86167841 in words is "eighty-six million, one hundred sixty-seven thousand, eight hundred forty-one".