1444607987 has 2 divisors, whose sum is σ = 1444607988. Its totient is φ = 1444607986.

The previous prime is 1444607977. The next prime is 1444608007. The reversal of 1444607987 is 7897064441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1444607987 - 2¹⁸ = 1444345843 is a prime.

It is a super-2 number, since 2×1444607987² = 4173784472208384338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1444607947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722303993 + 722303994.

It is an arithmetic number, because the mean of its divisors is an integer number (722303994).

Almost surely, 2^1444607987 is an apocalyptic number.

1444607987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444607987 is an equidigital number, since it uses as much as digits as its factorization.

1444607987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 1444607987 is about 38007.9989870553. The cubic root of 1444607987 is about 1130.4464748347.

The spelling of 1444607987 in words is "one billion, four hundred forty-four million, six hundred seven thousand, nine hundred eighty-seven".