862966081 has 2 divisors, whose sum is σ = 862966082. Its totient is φ = 862966080.

The previous prime is 862966067. The next prime is 862966103. The reversal of 862966081 is 180669268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 813390400 + 49575681 = 28520^2 + 7041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-862966081 is a prime.

It is a super-2 number, since 2×862966081² = 1489420913912997122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (862966001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431483040 + 431483041.

It is an arithmetic number, because the mean of its divisors is an integer number (431483041).

Almost surely, 2^862966081 is an apocalyptic number.

It is an amenable number.

862966081 is a deficient number, since it is larger than the sum of its proper divisors (1).

862966081 is an equidigital number, since it uses as much as digits as its factorization.

862966081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 862966081 is about 29376.2843293702. The cubic root of 862966081 is about 952.0605619177.

The spelling of 862966081 in words is "eight hundred sixty-two million, nine hundred sixty-six thousand, eighty-one".