966571877 has 2 divisors, whose sum is σ = 966571878. Its totient is φ = 966571876.

The previous prime is 966571871. The next prime is 966571891. The reversal of 966571877 is 778175669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 566011681 + 400560196 = 23791^2 + 20014^2 .

It is a cyclic number.

It is not a de Polignac number, because 966571877 - 2⁴ = 966571861 is a prime.

It is a super-2 number, since 2×966571877² = 1868522386814606258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (966571871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483285938 + 483285939.

It is an arithmetic number, because the mean of its divisors is an integer number (483285939).

Almost surely, 2^966571877 is an apocalyptic number.

It is an amenable number.

966571877 is a deficient number, since it is larger than the sum of its proper divisors (1).

966571877 is an equidigital number, since it uses as much as digits as its factorization.

966571877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4445280, while the sum is 56.

The square root of 966571877 is about 31089.7390950777. The cubic root of 966571877 is about 988.7307739238.

The spelling of 966571877 in words is "nine hundred sixty-six million, five hundred seventy-one thousand, eight hundred seventy-seven".