86201939 has 2 divisors, whose sum is σ = 86201940. Its totient is φ = 86201938.

The previous prime is 86201933. The next prime is 86201957. The reversal of 86201939 is 93910268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86201939 - 2⁴ = 86201923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86201933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43100969 + 43100970.

It is an arithmetic number, because the mean of its divisors is an integer number (43100970).

Almost surely, 2^86201939 is an apocalyptic number.

86201939 is a deficient number, since it is larger than the sum of its proper divisors (1).

86201939 is an equidigital number, since it uses as much as digits as its factorization.

86201939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 86201939 is about 9284.4999326835. The cubic root of 86201939 is about 441.7457144540.

The spelling of 86201939 in words is "eighty-six million, two hundred one thousand, nine hundred thirty-nine".