12757578208 has 24 divisors (see below), whose sum is σ = 25123813848. Its totient is φ = 6376927104.

The previous prime is 12757578161. The next prime is 12757578217. The reversal of 12757578208 is 80287575721.

It is a congruent number.

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, 56635 + ... + 169477.

It is an arithmetic number, because the mean of its divisors is an integer number (1046825577).

Almost surely, 2^12757578208 is an apocalyptic number.

It is an amenable number.

12757578208 is a deficient number, since it is larger than the sum of its proper divisors (12366235640).

12757578208 is a wasteful number, since it uses less digits than its factorization.

12757578208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116386 (or 116378 counting only the distinct ones).

The product of its (nonzero) digits is 2195200, while the sum is 52.

The spelling of 12757578208 in words is "twelve billion, seven hundred fifty-seven million, five hundred seventy-eight thousand, two hundred eight".