5787981889 has 4 divisors (see below), whose sum is σ = 5882866900. Its totient is φ = 5693096880.

The previous prime is 5787981869. The next prime is 5787981911. The reversal of 5787981889 is 9881897875.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 413919025 + 5374062864 = 20345^2 + 73308^2 .

It is a cyclic number.

It is not a de Polignac number, because 5787981889 - 2⁹ = 5787981377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5787981839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47442414 + ... + 47442535.

It is an arithmetic number, because the mean of its divisors is an integer number (1470716725).

Almost surely, 2^5787981889 is an apocalyptic number.

It is an amenable number.

5787981889 is a deficient number, since it is larger than the sum of its proper divisors (94885011).

5787981889 is an equidigital number, since it uses as much as digits as its factorization.

5787981889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94885010.

The product of its digits is 81285120, while the sum is 70.

The square root of 5787981889 is about 76078.7873786117. The cubic root of 5787981889 is about 1795.4599462246.

The spelling of 5787981889 in words is "five billion, seven hundred eighty-seven million, nine hundred eighty-one thousand, eight hundred eighty-nine".