200517986870 has 8 divisors (see below), whose sum is σ = 360932376384. Its totient is φ = 80207194744.

The previous prime is 200517986863. The next prime is 200517986881. The reversal of 200517986870 is 78689715002.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10025899334 + ... + 10025899353.

It is an arithmetic number, because the mean of its divisors is an integer number (45116547048).

Almost surely, 2^200517986870 is an apocalyptic number.

200517986870 is a deficient number, since it is larger than the sum of its proper divisors (160414389514).

200517986870 is a wasteful number, since it uses less digits than its factorization.

200517986870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20051798694.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 200517986870 in words is "two hundred billion, five hundred seventeen million, nine hundred eighty-six thousand, eight hundred seventy".