1263882487 has 8 divisors (see below), whose sum is σ = 1448996256. Its totient is φ = 1079908512.

The previous prime is 1263882469. The next prime is 1263882497. The reversal of 1263882487 is 7842883621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1263882487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1263882487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263882427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282568 + ... + 287005.

It is an arithmetic number, because the mean of its divisors is an integer number (181124532).

Almost surely, 2^1263882487 is an apocalyptic number.

1263882487 is a deficient number, since it is larger than the sum of its proper divisors (185113769).

1263882487 is an equidigital number, since it uses as much as digits as its factorization.

1263882487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569897.

The product of its digits is 1032192, while the sum is 49.

The square root of 1263882487 is about 35551.1249751678. The cubic root of 1263882487 is about 1081.1905272867.

The spelling of 1263882487 in words is "one billion, two hundred sixty-three million, eight hundred eighty-two thousand, four hundred eighty-seven".