86938571 has 2 divisors, whose sum is σ = 86938572. Its totient is φ = 86938570.

The previous prime is 86938529. The next prime is 86938583. The reversal of 86938571 is 17583968.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86938571 - 2⁶ = 86938507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86938771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43469285 + 43469286.

It is an arithmetic number, because the mean of its divisors is an integer number (43469286).

Almost surely, 2^86938571 is an apocalyptic number.

86938571 is a deficient number, since it is larger than the sum of its proper divisors (1).

86938571 is an equidigital number, since it uses as much as digits as its factorization.

86938571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 47.

The square root of 86938571 is about 9324.0855315682. The cubic root of 86938571 is about 443.0004484095. Note that the first 3 decimals are identical.

The spelling of 86938571 in words is "eighty-six million, nine hundred thirty-eight thousand, five hundred seventy-one".