887611643699 has 6 divisors (see below), whose sum is σ = 975639244860. Its totient is φ = 806919675980.

The previous prime is 887611643629. The next prime is 887611643713. The reversal of 887611643699 is 996346116788.

It is a de Polignac number, because none of the positive numbers 2^k-887611643699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (887611643629) 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 5 ways as a sum of consecutive naturals, for example, 3667816589 + ... + 3667816830.

It is an arithmetic number, because the mean of its divisors is an integer number (162606540810).

Almost surely, 2^887611643699 is an apocalyptic number.

887611643699 is a deficient number, since it is larger than the sum of its proper divisors (88027601161).

887611643699 is a wasteful number, since it uses less digits than its factorization.

887611643699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7335633441 (or 7335633430 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 68.

The spelling of 887611643699 in words is "eight hundred eighty-seven billion, six hundred eleven million, six hundred forty-three thousand, six hundred ninety-nine".