8867492947688 has 8 divisors (see below), whose sum is σ = 16626549276930. Its totient is φ = 4433746473840.

The previous prime is 8867492947633. The next prime is 8867492947711.

8867492947688 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 5648332130884 + 3219160816804 = 2376622^2 + 1794202^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554218309223 + ... + 554218309238.

Almost surely, 2^{8867492947688} is an apocalyptic number.

It is an amenable number.

8867492947688 is a deficient number, since it is larger than the sum of its proper divisors (7759056329242).

8867492947688 is a wasteful number, since it uses less digits than its factorization.

8867492947688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108436618467 (or 1108436618463 counting only the distinct ones).

The product of its digits is 18728091648, while the sum is 86.

The spelling of 8867492947688 in words is "eight trillion, eight hundred sixty-seven billion, four hundred ninety-two million, nine hundred forty-seven thousand, six hundred eighty-eight".