966355857 has 6 divisors (see below), whose sum is σ = 1395847362. Its totient is φ = 644237232.

The previous prime is 966355853. The next prime is 966355877. The reversal of 966355857 is 758553669.

It can be written as a sum of positive squares in only one way, i.e., 873734481 + 92621376 = 29559^2 + 9624^2 .

It is not a de Polignac number, because 966355857 - 2² = 966355853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (966355853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53686428 + ... + 53686445.

It is an arithmetic number, because the mean of its divisors is an integer number (232641227).

Almost surely, 2^966355857 is an apocalyptic number.

It is an amenable number.

966355857 is a deficient number, since it is larger than the sum of its proper divisors (429491505).

966355857 is a wasteful number, since it uses less digits than its factorization.

966355857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107372879 (or 107372876 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The square root of 966355857 is about 31086.2647643618. The cubic root of 966355857 is about 988.6571109987.

The spelling of 966355857 in words is "nine hundred sixty-six million, three hundred fifty-five thousand, eight hundred fifty-seven".