8771401891368 has 48 divisors (see below), whose sum is σ = 23777301330900. Its totient is φ = 2921164174080.

The previous prime is 8771401891327. The next prime is 8771401891391. The reversal of 8771401891368 is 8631981041778.

8771401891368 is a `hidden beast` number, since 87 + 7 + 1 + 401 + 8 + 91 + 3 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8550255542724 + 221146348644 = 2924082^2 + 470262^2 .

It is a super-2 number, since 2×8771401891368² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54845773 + ... + 55005468.

Almost surely, 2^{8771401891368} is an apocalyptic number.

It is an amenable number.

8771401891368 is an abundant number, since it is smaller than the sum of its proper divisors (15005899439532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8771401891368 is a wasteful number, since it uses less digits than its factorization.

8771401891368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109852362 (or 109852355 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 63.

The spelling of 8771401891368 in words is "eight trillion, seven hundred seventy-one billion, four hundred one million, eight hundred ninety-one thousand, three hundred sixty-eight".