86479571 has 2 divisors, whose sum is σ = 86479572. Its totient is φ = 86479570.

The previous prime is 86479559. The next prime is 86479573. The reversal of 86479571 is 17597468.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86479571 - 2¹⁸ = 86217427 is a prime.

Together with 86479573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86479573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43239785 + 43239786.

It is an arithmetic number, because the mean of its divisors is an integer number (43239786).

Almost surely, 2^86479571 is an apocalyptic number.

86479571 is a deficient number, since it is larger than the sum of its proper divisors (1).

86479571 is an equidigital number, since it uses as much as digits as its factorization.

86479571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 47.

The square root of 86479571 is about 9299.4392841719. The cubic root of 86479571 is about 442.2194521172.

The spelling of 86479571 in words is "eighty-six million, four hundred seventy-nine thousand, five hundred seventy-one".