86638027 has 8 divisors (see below), whose sum is σ = 101036000. Its totient is φ = 74260872.

The previous prime is 86637997. The next prime is 86638037. The reversal of 86638027 is 72083668.

It is a happy number.

It is not a de Polignac number, because 86638027 - 2¹⁹ = 86113739 is a prime.

It is a super-2 number, since 2×86638027² = 15012295444905458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86638037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125952 + ... + 126637.

It is an arithmetic number, because the mean of its divisors is an integer number (12629500).

Almost surely, 2^86638027 is an apocalyptic number.

86638027 is a deficient number, since it is larger than the sum of its proper divisors (14397973).

86638027 is an equidigital number, since it uses as much as digits as its factorization.

86638027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252610 (or 252596 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 86638027 is about 9307.9550385678. The cubic root of 86638027 is about 442.4893793401.

The spelling of 86638027 in words is "eighty-six million, six hundred thirty-eight thousand, twenty-seven".