1486389887 has 2 divisors, whose sum is σ = 1486389888. Its totient is φ = 1486389886.

The previous prime is 1486389869. The next prime is 1486389889. The reversal of 1486389887 is 7889836841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1486389887 - 2⁸ = 1486389631 is a prime.

Together with 1486389889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1486389889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743194943 + 743194944.

It is an arithmetic number, because the mean of its divisors is an integer number (743194944).

Almost surely, 2^1486389887 is an apocalyptic number.

1486389887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1486389887 is an equidigital number, since it uses as much as digits as its factorization.

1486389887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18579456, while the sum is 62.

The square root of 1486389887 is about 38553.7272776576. The cubic root of 1486389887 is about 1141.2415648951.

The spelling of 1486389887 in words is "one billion, four hundred eighty-six million, three hundred eighty-nine thousand, eight hundred eighty-seven".