487378943 has 2 divisors, whose sum is σ = 487378944. Its totient is φ = 487378942.

The previous prime is 487378939. The next prime is 487378951. The reversal of 487378943 is 349873784.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 487378943 - 2² = 487378939 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487378963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243689471 + 243689472.

It is an arithmetic number, because the mean of its divisors is an integer number (243689472).

Almost surely, 2^487378943 is an apocalyptic number.

487378943 is a deficient number, since it is larger than the sum of its proper divisors (1).

487378943 is an equidigital number, since it uses as much as digits as its factorization.

487378943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 53.

The square root of 487378943 is about 22076.6605943924. The cubic root of 487378943 is about 786.9653072500.

The spelling of 487378943 in words is "four hundred eighty-seven million, three hundred seventy-eight thousand, nine hundred forty-three".