86071519 has 2 divisors, whose sum is σ = 86071520. Its totient is φ = 86071518.

The previous prime is 86071511. The next prime is 86071529. The reversal of 86071519 is 91517068.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86071519 - 2³ = 86071511 is a prime.

It is a super-2 number, since 2×86071519² = 14816612765934722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86071511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43035759 + 43035760.

It is an arithmetic number, because the mean of its divisors is an integer number (43035760).

Almost surely, 2^86071519 is an apocalyptic number.

86071519 is a deficient number, since it is larger than the sum of its proper divisors (1).

86071519 is an equidigital number, since it uses as much as digits as its factorization.

86071519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 86071519 is about 9277.4737401946. The cubic root of 86071519 is about 441.5228209542.

The spelling of 86071519 in words is "eighty-six million, seventy-one thousand, five hundred nineteen".