86419339 has 2 divisors, whose sum is σ = 86419340. Its totient is φ = 86419338.

The previous prime is 86419331. The next prime is 86419343. The reversal of 86419339 is 93391468.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86419339 - 2³ = 86419331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86419295 and 86419304.

It is not a weakly prime, because it can be changed into another prime (86419331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43209669 + 43209670.

It is an arithmetic number, because the mean of its divisors is an integer number (43209670).

Almost surely, 2^86419339 is an apocalyptic number.

86419339 is a deficient number, since it is larger than the sum of its proper divisors (1).

86419339 is an equidigital number, since it uses as much as digits as its factorization.

86419339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 43.

The square root of 86419339 is about 9296.2002452615. The cubic root of 86419339 is about 442.1167613971.

The spelling of 86419339 in words is "eighty-six million, four hundred nineteen thousand, three hundred thirty-nine".