699908806670 has 32 divisors (see below), whose sum is σ = 1283082184800. Its totient is φ = 274811694976.

The previous prime is 699908806669. The next prime is 699908806679. The reversal of 699908806670 is 76608809996.

It is a self number, because there is not a number n which added to its sum of digits gives 699908806670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699908806679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476705 + ... + 1275564.

It is an arithmetic number, because the mean of its divisors is an integer number (40096318275).

Almost surely, 2^699908806670 is an apocalyptic number.

699908806670 is a deficient number, since it is larger than the sum of its proper divisors (583173378130).

699908806670 is a wasteful number, since it uses less digits than its factorization.

699908806670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753012.

The product of its (nonzero) digits is 70543872, while the sum is 68.

The spelling of 699908806670 in words is "six hundred ninety-nine billion, nine hundred eight million, eight hundred six thousand, six hundred seventy".