2127771484 has 6 divisors (see below), whose sum is σ = 3723600104. Its totient is φ = 1063885740.

The previous prime is 2127771467. The next prime is 2127771491. The reversal of 2127771484 is 4841777212.

It is a super-2 number, since 2×2127771484² = 9054822976247124512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2127771484.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265971432 + ... + 265971439.

Almost surely, 2^2127771484 is an apocalyptic number.

It is an amenable number.

2127771484 is a deficient number, since it is larger than the sum of its proper divisors (1595828620).

2127771484 is a wasteful number, since it uses less digits than its factorization.

2127771484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531942875 (or 531942873 counting only the distinct ones).

The product of its digits is 175616, while the sum is 43.

The square root of 2127771484 is about 46127.7734559127. The cubic root of 2127771484 is about 1286.1994753244.

The spelling of 2127771484 in words is "two billion, one hundred twenty-seven million, seven hundred seventy-one thousand, four hundred eighty-four".