208307887262672 has 20 divisors (see below), whose sum is σ = 406072583917440. Its totient is φ = 103514962380768.

The previous prime is 208307887262641. The next prime is 208307887262687. The reversal of 208307887262672 is 276262788703802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39936325472 + ... + 39936330687.

It is an arithmetic number, because the mean of its divisors is an integer number (20303629195872).

Almost surely, 2^{208307887262672} is an apocalyptic number.

It is an amenable number.

208307887262672 is a deficient number, since it is larger than the sum of its proper divisors (197764696654768).

208307887262672 is a wasteful number, since it uses less digits than its factorization.

208307887262672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79872656330 (or 79872656324 counting only the distinct ones).

The product of its (nonzero) digits is 303464448, while the sum is 68.

The spelling of 208307887262672 in words is "two hundred eight trillion, three hundred seven billion, eight hundred eighty-seven million, two hundred sixty-two thousand, six hundred seventy-two".