8788645261 has 32 divisors (see below), whose sum is σ = 10461457152. Its totient is φ = 7291560960.

The previous prime is 8788645249. The next prime is 8788645267. The reversal of 8788645261 is 1625468878.

It is a cyclic number.

It is not a de Polignac number, because 8788645261 - 2²¹ = 8786548109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8788645267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2191320 + ... + 2195326.

It is an arithmetic number, because the mean of its divisors is an integer number (326920536).

Almost surely, 2^8788645261 is an apocalyptic number.

It is an amenable number.

8788645261 is a deficient number, since it is larger than the sum of its proper divisors (1672811891).

8788645261 is a wasteful number, since it uses less digits than its factorization.

8788645261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389.

The product of its digits is 5160960, while the sum is 55.

The square root of 8788645261 is about 93747.7746989229. The cubic root of 8788645261 is about 2063.6718736199.

The spelling of 8788645261 in words is "eight billion, seven hundred eighty-eight million, six hundred forty-five thousand, two hundred sixty-one".