886840081 has 2 divisors, whose sum is σ = 886840082. Its totient is φ = 886840080.

The previous prime is 886840051. The next prime is 886840093. The reversal of 886840081 is 180048688.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 685654225 + 201185856 = 26185^2 + 14184^2 .

It is a cyclic number.

It is not a de Polignac number, because 886840081 - 2¹³ = 886831889 is a prime.

It is a super-2 number, since 2×886840081² = 1572970658536173122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (886840051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443420040 + 443420041.

It is an arithmetic number, because the mean of its divisors is an integer number (443420041).

Almost surely, 2^886840081 is an apocalyptic number.

It is an amenable number.

886840081 is a deficient number, since it is larger than the sum of its proper divisors (1).

886840081 is an equidigital number, since it uses as much as digits as its factorization.

886840081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98304, while the sum is 43.

The square root of 886840081 is about 29779.8603253944. The cubic root of 886840081 is about 960.7604221729.

The spelling of 886840081 in words is "eight hundred eighty-six million, eight hundred forty thousand, eighty-one".