1487376889 has 2 divisors, whose sum is σ = 1487376890. Its totient is φ = 1487376888.

The previous prime is 1487376841. The next prime is 1487376973. The reversal of 1487376889 is 9886737841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1468192489 + 19184400 = 38317^2 + 4380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1487376889 - 2⁹ = 1487376377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1487316889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743688444 + 743688445.

It is an arithmetic number, because the mean of its divisors is an integer number (743688445).

Almost surely, 2^1487376889 is an apocalyptic number.

It is an amenable number.

1487376889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487376889 is an equidigital number, since it uses as much as digits as its factorization.

1487376889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16257024, while the sum is 61.

The square root of 1487376889 is about 38566.5254981571. The cubic root of 1487376889 is about 1141.4941138141.

The spelling of 1487376889 in words is "one billion, four hundred eighty-seven million, three hundred seventy-six thousand, eight hundred eighty-nine".