86888281 has 2 divisors, whose sum is σ = 86888282. Its totient is φ = 86888280.

The previous prime is 86888267. The next prime is 86888303. The reversal of 86888281 is 18288868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68740681 + 18147600 = 8291^2 + 4260^2 .

It is a cyclic number.

It is not a de Polignac number, because 86888281 - 2⁹ = 86887769 is a prime.

It is a super-2 number, since 2×86888281² = 15099146750269922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86888231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43444140 + 43444141.

It is an arithmetic number, because the mean of its divisors is an integer number (43444141).

Almost surely, 2^86888281 is an apocalyptic number.

It is an amenable number.

86888281 is a deficient number, since it is larger than the sum of its proper divisors (1).

86888281 is an equidigital number, since it uses as much as digits as its factorization.

86888281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 393216, while the sum is 49.

The square root of 86888281 is about 9321.3883622559. The cubic root of 86888281 is about 442.9150134126.

The spelling of 86888281 in words is "eighty-six million, eight hundred eighty-eight thousand, two hundred eighty-one".