1168671487 has 2 divisors, whose sum is σ = 1168671488. Its totient is φ = 1168671486.

The previous prime is 1168671481. The next prime is 1168671499. The reversal of 1168671487 is 7841768611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1168671487 - 2¹⁹ = 1168147199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1168671487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1168671481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584335743 + 584335744.

It is an arithmetic number, because the mean of its divisors is an integer number (584335744).

Almost surely, 2^1168671487 is an apocalyptic number.

1168671487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168671487 is an equidigital number, since it uses as much as digits as its factorization.

1168671487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 49.

The square root of 1168671487 is about 34185.8375208214. The cubic root of 1168671487 is about 1053.3292624444.

The spelling of 1168671487 in words is "one billion, one hundred sixty-eight million, six hundred seventy-one thousand, four hundred eighty-seven".