1481327987 has 2 divisors, whose sum is σ = 1481327988. Its totient is φ = 1481327986.

The previous prime is 1481327977. The next prime is 1481327993. The reversal of 1481327987 is 7897231841.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1481327987 - 2¹⁸ = 1481065843 is a prime.

It is not a weakly prime, because it can be changed into another prime (1481327977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740663993 + 740663994.

It is an arithmetic number, because the mean of its divisors is an integer number (740663994).

Almost surely, 2^1481327987 is an apocalyptic number.

1481327987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481327987 is an equidigital number, since it uses as much as digits as its factorization.

1481327987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 50.

The square root of 1481327987 is about 38488.0239425201. The cubic root of 1481327987 is about 1139.9445923106.

The spelling of 1481327987 in words is "one billion, four hundred eighty-one million, three hundred twenty-seven thousand, nine hundred eighty-seven".