8971267655 has 24 divisors (see below), whose sum is σ = 12527424432. Its totient is φ = 6149630592.

The previous prime is 8971267651. The next prime is 8971267717. The reversal of 8971267655 is 5567621798.

8971267655 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8971267655 - 2² = 8971267651 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 8971267655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8971267651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1153259 + ... + 1161011.

It is an arithmetic number, because the mean of its divisors is an integer number (521976018).

Almost surely, 2^8971267655 is an apocalyptic number.

8971267655 is a deficient number, since it is larger than the sum of its proper divisors (3556156777).

8971267655 is a wasteful number, since it uses less digits than its factorization.

8971267655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12495 (or 12488 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 56.

The square root of 8971267655 is about 94716.7759955965. The cubic root of 8971267655 is about 2077.8679193711.

The spelling of 8971267655 in words is "eight billion, nine hundred seventy-one million, two hundred sixty-seven thousand, six hundred fifty-five".