86864627 has 2 divisors, whose sum is σ = 86864628. Its totient is φ = 86864626.

The previous prime is 86864597. The next prime is 86864653. The reversal of 86864627 is 72646868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86864627 - 2¹⁰ = 86863603 is a prime.

It is not a weakly prime, because it can be changed into another prime (86864677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43432313 + 43432314.

It is an arithmetic number, because the mean of its divisors is an integer number (43432314).

Almost surely, 2^86864627 is an apocalyptic number.

86864627 is a deficient number, since it is larger than the sum of its proper divisors (1).

86864627 is an equidigital number, since it uses as much as digits as its factorization.

86864627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 47.

The square root of 86864627 is about 9320.1194734832. The cubic root of 86864627 is about 442.8748174949.

The spelling of 86864627 in words is "eighty-six million, eight hundred sixty-four thousand, six hundred twenty-seven".