487268783971 has 2 divisors, whose sum is σ = 487268783972. Its totient is φ = 487268783970.

The previous prime is 487268783957. The next prime is 487268784019. The reversal of 487268783971 is 179387862784.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 487268783971 - 2⁷ = 487268783843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 487268783971.

It is not a weakly prime, because it can be changed into another prime (487268783171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243634391985 + 243634391986.

It is an arithmetic number, because the mean of its divisors is an integer number (243634391986).

Almost surely, 2^487268783971 is an apocalyptic number.

487268783971 is a deficient number, since it is larger than the sum of its proper divisors (1).

487268783971 is an equidigital number, since it uses as much as digits as its factorization.

487268783971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 227598336, while the sum is 70.

The spelling of 487268783971 in words is "four hundred eighty-seven billion, two hundred sixty-eight million, seven hundred eighty-three thousand, nine hundred seventy-one".