199679363935876 has 72 divisors (see below), whose sum is σ = 387524669091840. Its totient is φ = 89954159137920.

The previous prime is 199679363935861. The next prime is 199679363935937. The reversal of 199679363935876 is 678539363976991.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56874645 + ... + 60283363.

It is an arithmetic number, because the mean of its divisors is an integer number (5382287070720).

Almost surely, 2^{199679363935876} is an apocalyptic number.

It is an amenable number.

199679363935876 is a deficient number, since it is larger than the sum of its proper divisors (187845305155964).

199679363935876 is a wasteful number, since it uses less digits than its factorization.

199679363935876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409825 (or 3409812 counting only the distinct ones).

The product of its digits is 74996953920, while the sum is 91.

The spelling of 199679363935876 in words is "one hundred ninety-nine trillion, six hundred seventy-nine billion, three hundred sixty-three million, nine hundred thirty-five thousand, eight hundred seventy-six".