207380840770 has 8 divisors (see below), whose sum is σ = 373285513404. Its totient is φ = 82952336304.

The previous prime is 207380840761. The next prime is 207380840803. The reversal of 207380840770 is 77048083702.

It can be written as a sum of positive squares in 2 ways, for example, as 199031084641 + 8349756129 = 446129^2 + 91377^2 .

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 207380840770.

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, 10369042029 + ... + 10369042048.

Almost surely, 2^207380840770 is an apocalyptic number.

207380840770 is a deficient number, since it is larger than the sum of its proper divisors (165904672634).

207380840770 is a wasteful number, since it uses less digits than its factorization.

207380840770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20738084084.

The product of its (nonzero) digits is 526848, while the sum is 46.

The spelling of 207380840770 in words is "two hundred seven billion, three hundred eighty million, eight hundred forty thousand, seven hundred seventy".