203512006779 has 16 divisors (see below), whose sum is σ = 273874048800. Its totient is φ = 134412638976.

The previous prime is 203512006723. The next prime is 203512006793. The reversal of 203512006779 is 977600215302.

203512006779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203512006779 - 2¹⁵ = 203511974011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203512006779.

It is not an unprimeable number, because it can be changed into a prime (203512006879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2813437 + ... + 2884865.

It is an arithmetic number, because the mean of its divisors is an integer number (17117128050).

Almost surely, 2^203512006779 is an apocalyptic number.

203512006779 is a deficient number, since it is larger than the sum of its proper divisors (70362042021).

203512006779 is a wasteful number, since it uses less digits than its factorization.

203512006779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80254.

The product of its (nonzero) digits is 158760, while the sum is 42.

The spelling of 203512006779 in words is "two hundred three billion, five hundred twelve million, six thousand, seven hundred seventy-nine".