2687743874874 has 32 divisors (see below), whose sum is σ = 5456996213760. Its totient is φ = 882336142512.

The previous prime is 2687743874833. The next prime is 2687743874891. The reversal of 2687743874874 is 4784783477862.

It is a junction number, because it is equal to n+sod(n) for n = 2687743874796 and 2687743874805.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 941247 + ... + 2502285.

It is an arithmetic number, because the mean of its divisors is an integer number (170531131680).

Almost surely, 2^{2687743874874} is an apocalyptic number.

2687743874874 is an abundant number, since it is smaller than the sum of its proper divisors (2769252338886).

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

2687743874874 is a wasteful number, since it uses less digits than its factorization.

2687743874874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565394.

The product of its digits is 2832334848, while the sum is 75.

The spelling of 2687743874874 in words is "two trillion, six hundred eighty-seven billion, seven hundred forty-three million, eight hundred seventy-four thousand, eight hundred seventy-four".