1288848506667 has 4 divisors (see below), whose sum is σ = 1718464675560. Its totient is φ = 859232337776.

The previous prime is 1288848506657. The next prime is 1288848506677. The reversal of 1288848506667 is 7666058488821.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1288848506657) and next prime (1288848506677).

It is a cyclic number.

It is not a de Polignac number, because 1288848506667 - 2⁸ = 1288848506411 is a prime.

It is a super-2 number, since 2×1288848506667² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1288848506657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214808084442 + ... + 214808084447.

It is an arithmetic number, because the mean of its divisors is an integer number (429616168890).

Almost surely, 2^{1288848506667} is an apocalyptic number.

1288848506667 is a deficient number, since it is larger than the sum of its proper divisors (429616168893).

1288848506667 is an equidigital number, since it uses as much as digits as its factorization.

1288848506667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429616168892.

The product of its (nonzero) digits is 247726080, while the sum is 69.

The spelling of 1288848506667 in words is "one trillion, two hundred eighty-eight billion, eight hundred forty-eight million, five hundred six thousand, six hundred sixty-seven".