8861567361 has 4 divisors (see below), whose sum is σ = 11815423152. Its totient is φ = 5907711572.

The previous prime is 8861567357. The next prime is 8861567371. The reversal of 8861567361 is 1637651688.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8861567361 - 2² = 8861567357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8861567371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1476927891 + ... + 1476927896.

It is an arithmetic number, because the mean of its divisors is an integer number (2953855788).

Almost surely, 2^8861567361 is an apocalyptic number.

It is an amenable number.

8861567361 is a deficient number, since it is larger than the sum of its proper divisors (2953855791).

8861567361 is a wasteful number, since it uses less digits than its factorization.

8861567361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953855790.

The product of its digits is 1451520, while the sum is 51.

The square root of 8861567361 is about 94135.8983650764. The cubic root of 8861567361 is about 2069.3638006147.

The spelling of 8861567361 in words is "eight billion, eight hundred sixty-one million, five hundred sixty-seven thousand, three hundred sixty-one".