966233557 has 2 divisors, whose sum is σ = 966233558. Its totient is φ = 966233556.

The previous prime is 966233551. The next prime is 966233617. The reversal of 966233557 is 755332669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 761428836 + 204804721 = 27594^2 + 14311^2 .

It is a cyclic number.

It is not a de Polignac number, because 966233557 - 2¹⁵ = 966200789 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (966233551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483116778 + 483116779.

It is an arithmetic number, because the mean of its divisors is an integer number (483116779).

Almost surely, 2^966233557 is an apocalyptic number.

It is an amenable number.

966233557 is a deficient number, since it is larger than the sum of its proper divisors (1).

966233557 is an equidigital number, since it uses as much as digits as its factorization.

966233557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 46.

The square root of 966233557 is about 31084.2975954098. The cubic root of 966233557 is about 988.6154017723.

The spelling of 966233557 in words is "nine hundred sixty-six million, two hundred thirty-three thousand, five hundred fifty-seven".