86415419 has 2 divisors, whose sum is σ = 86415420. Its totient is φ = 86415418.

The previous prime is 86415409. The next prime is 86415431. The reversal of 86415419 is 91451468.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86415419 is a prime.

It is a super-2 number, since 2×86415419² = 14935249281891122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86415409) 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, 43207709 + 43207710.

It is an arithmetic number, because the mean of its divisors is an integer number (43207710).

Almost surely, 2^86415419 is an apocalyptic number.

86415419 is a deficient number, since it is larger than the sum of its proper divisors (1).

86415419 is an equidigital number, since it uses as much as digits as its factorization.

86415419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 86415419 is about 9295.9894040387. The cubic root of 86415419 is about 442.1100764586.

The spelling of 86415419 in words is "eighty-six million, four hundred fifteen thousand, four hundred nineteen".