945440987 has 2 divisors, whose sum is σ = 945440988. Its totient is φ = 945440986.

The previous prime is 945440981. The next prime is 945441001. The reversal of 945440987 is 789044549.

945440987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 945440987 - 2⁸ = 945440731 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (945440981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472720493 + 472720494.

It is an arithmetic number, because the mean of its divisors is an integer number (472720494).

Almost surely, 2^945440987 is an apocalyptic number.

945440987 is a deficient number, since it is larger than the sum of its proper divisors (1).

945440987 is an equidigital number, since it uses as much as digits as its factorization.

945440987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 945440987 is about 30748.0241153802. The cubic root of 945440987 is about 981.4725145799.

The spelling of 945440987 in words is "nine hundred forty-five million, four hundred forty thousand, nine hundred eighty-seven".