86865127 has 2 divisors, whose sum is σ = 86865128. Its totient is φ = 86865126.

The previous prime is 86865073. The next prime is 86865133. The reversal of 86865127 is 72156868.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86865127 is a prime.

It is a super-2 number, since 2×86865127² = 15091100577452258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86865137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43432563 + 43432564.

It is an arithmetic number, because the mean of its divisors is an integer number (43432564).

Almost surely, 2^86865127 is an apocalyptic number.

86865127 is a deficient number, since it is larger than the sum of its proper divisors (1).

86865127 is an equidigital number, since it uses as much as digits as its factorization.

86865127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 43.

The square root of 86865127 is about 9320.1462971350. The cubic root of 86865127 is about 442.8756672346.

The spelling of 86865127 in words is "eighty-six million, eight hundred sixty-five thousand, one hundred twenty-seven".