876461081 has 2 divisors, whose sum is σ = 876461082. Its totient is φ = 876461080.

The previous prime is 876461071. The next prime is 876461099. The reversal of 876461081 is 180164678.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 844425481 + 32035600 = 29059^2 + 5660^2 .

It is a cyclic number.

It is not a de Polignac number, because 876461081 - 2⁶ = 876461017 is a prime.

It is a super-2 number, since 2×876461081² = 1536368053015377122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (876461071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438230540 + 438230541.

It is an arithmetic number, because the mean of its divisors is an integer number (438230541).

Almost surely, 2^876461081 is an apocalyptic number.

It is an amenable number.

876461081 is a deficient number, since it is larger than the sum of its proper divisors (1).

876461081 is an equidigital number, since it uses as much as digits as its factorization.

876461081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 876461081 is about 29605.0853908581. The cubic root of 876461081 is about 956.9976662763.

The spelling of 876461081 in words is "eight hundred seventy-six million, four hundred sixty-one thousand, eighty-one".