691577846914 has 8 divisors (see below), whose sum is σ = 1037769014160. Its totient is φ = 345654842196.

The previous prime is 691577846879. The next prime is 691577846929. The reversal of 691577846914 is 419648775196.

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

It is a self number, because there is not a number n which added to its sum of digits gives 691577846914.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67034184 + ... + 67044499.

It is an arithmetic number, because the mean of its divisors is an integer number (129721126770).

Almost surely, 2^691577846914 is an apocalyptic number.

691577846914 is a deficient number, since it is larger than the sum of its proper divisors (346191167246).

691577846914 is a wasteful number, since it uses less digits than its factorization.

691577846914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134081264.

The product of its digits is 91445760, while the sum is 67.

The spelling of 691577846914 in words is "six hundred ninety-one billion, five hundred seventy-seven million, eight hundred forty-six thousand, nine hundred fourteen".