86413391 has 2 divisors, whose sum is σ = 86413392. Its totient is φ = 86413390.

The previous prime is 86413361. The next prime is 86413421. The reversal of 86413391 is 19331468.

It is a balanced prime because it is at equal distance from previous prime (86413361) and next prime (86413421).

It is a cyclic number.

It is not a de Polignac number, because 86413391 - 2²² = 82219087 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86413321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43206695 + 43206696.

It is an arithmetic number, because the mean of its divisors is an integer number (43206696).

Almost surely, 2^86413391 is an apocalyptic number.

86413391 is a deficient number, since it is larger than the sum of its proper divisors (1).

86413391 is an equidigital number, since it uses as much as digits as its factorization.

86413391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 86413391 is about 9295.8803241006. The cubic root of 86413391 is about 442.1066179467.

The spelling of 86413391 in words is "eighty-six million, four hundred thirteen thousand, three hundred ninety-one".