2787135438066 has 32 divisors (see below), whose sum is σ = 6590270989440. Its totient is φ = 768864948096.

The previous prime is 2787135437959. The next prime is 2787135438103. The reversal of 2787135438066 is 6608345317872.

It is a happy number.

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, 1144143051 + ... + 1144145486.

It is an arithmetic number, because the mean of its divisors is an integer number (205945968420).

Almost surely, 2^{2787135438066} is an apocalyptic number.

2787135438066 is an abundant number, since it is smaller than the sum of its proper divisors (3803135551374).

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

2787135438066 is a wasteful number, since it uses less digits than its factorization.

2787135438066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288288578.

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 2787135438066 in words is "two trillion, seven hundred eighty-seven billion, one hundred thirty-five million, four hundred thirty-eight thousand, sixty-six".