86423387 has 2 divisors, whose sum is σ = 86423388. Its totient is φ = 86423386.

The previous prime is 86423383. The next prime is 86423429. The reversal of 86423387 is 78332468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86423387 - 2² = 86423383 is a prime.

It is not a weakly prime, because it can be changed into another prime (86423383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43211693 + 43211694.

It is an arithmetic number, because the mean of its divisors is an integer number (43211694).

Almost surely, 2^86423387 is an apocalyptic number.

86423387 is a deficient number, since it is larger than the sum of its proper divisors (1).

86423387 is an equidigital number, since it uses as much as digits as its factorization.

86423387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The square root of 86423387 is about 9296.4179660770. The cubic root of 86423387 is about 442.1236644072.

The spelling of 86423387 in words is "eighty-six million, four hundred twenty-three thousand, three hundred eighty-seven".