86447741 has 2 divisors, whose sum is σ = 86447742. Its totient is φ = 86447740.

The previous prime is 86447693. The next prime is 86447743. The reversal of 86447741 is 14774468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86304100 + 143641 = 9290^2 + 379^2 .

It is a cyclic number.

It is not a de Polignac number, because 86447741 - 2⁶ = 86447677 is a prime.

Together with 86447743, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86447743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43223870 + 43223871.

It is an arithmetic number, because the mean of its divisors is an integer number (43223871).

Almost surely, 2^86447741 is an apocalyptic number.

It is an amenable number.

86447741 is a deficient number, since it is larger than the sum of its proper divisors (1).

86447741 is an equidigital number, since it uses as much as digits as its factorization.

86447741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150528, while the sum is 41.

The square root of 86447741 is about 9297.7277331615. The cubic root of 86447741 is about 442.1651904680.

The spelling of 86447741 in words is "eighty-six million, four hundred forty-seven thousand, seven hundred forty-one".