2168483787 has 12 divisors (see below), whose sum is σ = 3240263520. Its totient is φ = 1395805488.

The previous prime is 2168483783. The next prime is 2168483857. The reversal of 2168483787 is 7873848612.

It is a happy number.

2168483787 is a `hidden beast` number, since 21 + 68 + 483 + 7 + 87 = 666.

It is not a de Polignac number, because 2168483787 - 2² = 2168483783 is a prime.

It is a super-2 number, since 2×2168483787² = 9404643868963722738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2168483783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4153923 + ... + 4154444.

It is an arithmetic number, because the mean of its divisors is an integer number (270021960).

Almost surely, 2^2168483787 is an apocalyptic number.

2168483787 is a deficient number, since it is larger than the sum of its proper divisors (1071779733).

2168483787 is a wasteful number, since it uses less digits than its factorization.

2168483787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8308402 (or 8308399 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The square root of 2168483787 is about 46566.9817252525. The cubic root of 2168483787 is about 1294.3509887749.

The spelling of 2168483787 in words is "two billion, one hundred sixty-eight million, four hundred eighty-three thousand, seven hundred eighty-seven".