487955983 has 2 divisors, whose sum is σ = 487955984. Its totient is φ = 487955982.

The previous prime is 487955977. The next prime is 487956067. The reversal of 487955983 is 389559784.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487955983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487955933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243977991 + 243977992.

It is an arithmetic number, because the mean of its divisors is an integer number (243977992).

Almost surely, 2^487955983 is an apocalyptic number.

487955983 is a deficient number, since it is larger than the sum of its proper divisors (1).

487955983 is an equidigital number, since it uses as much as digits as its factorization.

487955983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 58.

The square root of 487955983 is about 22089.7257339244. The cubic root of 487955983 is about 787.2757647616.

The spelling of 487955983 in words is "four hundred eighty-seven million, nine hundred fifty-five thousand, nine hundred eighty-three".