9077843081 has 2 divisors, whose sum is σ = 9077843082. Its totient is φ = 9077843080.

The previous prime is 9077843077. The next prime is 9077843101. The reversal of 9077843081 is 1803487709.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4588843081 + 4489000000 = 67741^2 + 67000^2 .

It is a cyclic number.

It is not a de Polignac number, because 9077843081 - 2² = 9077843077 is a prime.

It is a super-2 number, since 2×9077843081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9077843041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4538921540 + 4538921541.

It is an arithmetic number, because the mean of its divisors is an integer number (4538921541).

Almost surely, 2^9077843081 is an apocalyptic number.

It is an amenable number.

9077843081 is a deficient number, since it is larger than the sum of its proper divisors (1).

9077843081 is an equidigital number, since it uses as much as digits as its factorization.

9077843081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 9077843081 is about 95277.7155530085. The cubic root of 9077843081 is about 2086.0636577044.

The spelling of 9077843081 in words is "nine billion, seventy-seven million, eight hundred forty-three thousand, eighty-one".