957766081 has 2 divisors, whose sum is σ = 957766082. Its totient is φ = 957766080.

The previous prime is 957766039. The next prime is 957766091. The reversal of 957766081 is 180667759.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 957593025 + 173056 = 30945^2 + 416^2 .

It is a cyclic number.

It is not a de Polignac number, because 957766081 - 2¹¹ = 957764033 is a prime.

It is a super-2 number, since 2×957766081² = 1834631731828197122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (957766031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478883040 + 478883041.

It is an arithmetic number, because the mean of its divisors is an integer number (478883041).

Almost surely, 2^957766081 is an apocalyptic number.

It is an amenable number.

957766081 is a deficient number, since it is larger than the sum of its proper divisors (1).

957766081 is an equidigital number, since it uses as much as digits as its factorization.

957766081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 957766081 is about 30947.7960604629. The cubic root of 957766081 is about 985.7190523799.

The spelling of 957766081 in words is "nine hundred fifty-seven million, seven hundred sixty-six thousand, eighty-one".