2687693768768 has 28 divisors (see below), whose sum is σ = 5565278948160. Its totient is φ = 1285418758272.

The previous prime is 2687693768731. The next prime is 2687693768777. The reversal of 2687693768768 is 8678673967862.

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, 912937988 + ... + 912940931.

Almost surely, 2^{2687693768768} is an apocalyptic number.

It is an amenable number.

2687693768768 is an abundant number, since it is smaller than the sum of its proper divisors (2877585179392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2687693768768 is a wasteful number, since it uses less digits than its factorization.

2687693768768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825878954 (or 1825878944 counting only the distinct ones).

The product of its digits is 12290310144, while the sum is 83.

The spelling of 2687693768768 in words is "two trillion, six hundred eighty-seven billion, six hundred ninety-three million, seven hundred sixty-eight thousand, seven hundred sixty-eight".