2031827878084 has 9 divisors (see below), whose sum is σ = 3555703775631. Its totient is φ = 1015912513620.

The previous prime is 2031827878081. The next prime is 2031827878097. The reversal of 2031827878084 is 4808787281302.

The square root of 2031827878084 is 1425422.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×2031827878084² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031827878081) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2494489 + ... + 3207199.

Almost surely, 2^{2031827878084} is an apocalyptic number.

2031827878084 is the 1425422-nd square number.

It is an amenable number.

2031827878084 is a deficient number, since it is larger than the sum of its proper divisors (1523875897547).

2031827878084 is an frugal number, since it uses more digits than its factorization.

2031827878084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425426 (or 712713 counting only the distinct ones).

The product of its (nonzero) digits is 9633792, while the sum is 58.

The spelling of 2031827878084 in words is "two trillion, thirty-one billion, eight hundred twenty-seven million, eight hundred seventy-eight thousand, eighty-four".