696891866 has 16 divisors (see below), whose sum is σ = 1179692640. Its totient is φ = 305845680.

The previous prime is 696891851. The next prime is 696891901. The reversal of 696891866 is 668198696.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545516 + ... + 546791.

It is an arithmetic number, because the mean of its divisors is an integer number (73730790).

Almost surely, 2^696891866 is an apocalyptic number.

696891866 is a deficient number, since it is larger than the sum of its proper divisors (482800774).

696891866 is a wasteful number, since it uses less digits than its factorization.

696891866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092349.

The product of its digits is 6718464, while the sum is 59.

The square root of 696891866 is about 26398.7095517944. The cubic root of 696891866 is about 886.5878973185.

The spelling of 696891866 in words is "six hundred ninety-six million, eight hundred ninety-one thousand, eight hundred sixty-six".