207385479550 has 12 divisors (see below), whose sum is σ = 385736992056. Its totient is φ = 82954191800.

The previous prime is 207385479533. The next prime is 207385479551. The reversal of 207385479550 is 55974583702.

It is a junction number, because it is equal to n+sod(n) for n = 207385479491 and 207385479500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207385479551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2073854746 + ... + 2073854845.

It is an arithmetic number, because the mean of its divisors is an integer number (32144749338).

Almost surely, 2^207385479550 is an apocalyptic number.

207385479550 is a deficient number, since it is larger than the sum of its proper divisors (178351512506).

207385479550 is a wasteful number, since it uses less digits than its factorization.

207385479550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147709603 (or 4147709598 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 55.

The spelling of 207385479550 in words is "two hundred seven billion, three hundred eighty-five million, four hundred seventy-nine thousand, five hundred fifty".