969857866 has 8 divisors (see below), whose sum is σ = 1457138880. Its totient is φ = 484144908.

The previous prime is 969857843. The next prime is 969857873. The reversal of 969857866 is 668758969.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 969857798 and 969857807.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390466 + ... + 392941.

It is an arithmetic number, because the mean of its divisors is an integer number (182142360).

Almost surely, 2^969857866 is an apocalyptic number.

969857866 is a deficient number, since it is larger than the sum of its proper divisors (487281014).

969857866 is a wasteful number, since it uses less digits than its factorization.

969857866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784028.

The product of its digits is 39191040, while the sum is 64.

The square root of 969857866 is about 31142.5410973479. The cubic root of 969857866 is about 989.8499469888.

The spelling of 969857866 in words is "nine hundred sixty-nine million, eight hundred fifty-seven thousand, eight hundred sixty-six".