208747866892 has 12 divisors (see below), whose sum is σ = 367327048816. Its totient is φ = 103797281520.

The previous prime is 208747866883. The next prime is 208747866907. The reversal of 208747866892 is 298668747802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144162168 + ... + 144163615.

Almost surely, 2^208747866892 is an apocalyptic number.

It is an amenable number.

208747866892 is a deficient number, since it is larger than the sum of its proper divisors (158579181924).

208747866892 is a wasteful number, since it uses less digits than its factorization.

208747866892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288325968 (or 288325966 counting only the distinct ones).

The product of its (nonzero) digits is 130056192, while the sum is 67.

The spelling of 208747866892 in words is "two hundred eight billion, seven hundred forty-seven million, eight hundred sixty-six thousand, eight hundred ninety-two".