487771172611 has 2 divisors, whose sum is σ = 487771172612. Its totient is φ = 487771172610.

The previous prime is 487771172599. The next prime is 487771172633. The reversal of 487771172611 is 116271177784.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487771172611 is a prime.

It is not a weakly prime, because it can be changed into another prime (487771175611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243885586305 + 243885586306.

It is an arithmetic number, because the mean of its divisors is an integer number (243885586306).

Almost surely, 2^487771172611 is an apocalyptic number.

487771172611 is a deficient number, since it is larger than the sum of its proper divisors (1).

487771172611 is an equidigital number, since it uses as much as digits as its factorization.

487771172611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 921984, while the sum is 52.

The spelling of 487771172611 in words is "four hundred eighty-seven billion, seven hundred seventy-one million, one hundred seventy-two thousand, six hundred eleven".