2887934781431 has 12 divisors (see below), whose sum is σ = 3399909454872. Its totient is φ = 2445548899248.

The previous prime is 2887934781371. The next prime is 2887934781439. The reversal of 2887934781431 is 1341874397882.

It is not a de Polignac number, because 2887934781431 - 2²⁶ = 2887867672567 is a prime.

It is a super-2 number, since 2×2887934781431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2887934781439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355040780 + ... + 355048913.

It is an arithmetic number, because the mean of its divisors is an integer number (283325787906).

Almost surely, 2^{2887934781431} is an apocalyptic number.

2887934781431 is a deficient number, since it is larger than the sum of its proper divisors (511974673441).

2887934781431 is an equidigital number, since it uses as much as digits as its factorization.

2887934781431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710089790 (or 710089783 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 65.

The spelling of 2887934781431 in words is "two trillion, eight hundred eighty-seven billion, nine hundred thirty-four million, seven hundred eighty-one thousand, four hundred thirty-one".