86498081 has 2 divisors, whose sum is σ = 86498082. Its totient is φ = 86498080.

The previous prime is 86498059. The next prime is 86498131. The reversal of 86498081 is 18089468.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62331025 + 24167056 = 7895^2 + 4916^2 .

It is a cyclic number.

It is not a de Polignac number, because 86498081 - 2¹⁴ = 86481697 is a prime.

It is a super-2 number, since 2×86498081² = 14963836033365122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (86498011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43249040 + 43249041.

It is an arithmetic number, because the mean of its divisors is an integer number (43249041).

Almost surely, 2^86498081 is an apocalyptic number.

It is an amenable number.

86498081 is a deficient number, since it is larger than the sum of its proper divisors (1).

86498081 is an equidigital number, since it uses as much as digits as its factorization.

86498081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 86498081 is about 9300.4344522178. The cubic root of 86498081 is about 442.2510006014.

The spelling of 86498081 in words is "eighty-six million, four hundred ninety-eight thousand, eighty-one".