956466866 has 4 divisors (see below), whose sum is σ = 1434700302. Its totient is φ = 478233432.

The previous prime is 956466829. The next prime is 956466883. The reversal of 956466866 is 668664659.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 668664659 = 13 ⋅51435743.

It can be written as a sum of positive squares in only one way, i.e., 693216241 + 263250625 = 26329^2 + 16225^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239116715 + ... + 239116718.

Almost surely, 2^956466866 is an apocalyptic number.

956466866 is a deficient number, since it is larger than the sum of its proper divisors (478233436).

956466866 is a wasteful number, since it uses less digits than its factorization.

956466866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478233435.

The product of its digits is 11197440, while the sum is 56.

The square root of 956466866 is about 30926.7985087367. The cubic root of 956466866 is about 985.2731395711.

The spelling of 956466866 in words is "nine hundred fifty-six million, four hundred sixty-six thousand, eight hundred sixty-six".