8610662278449 has 81 divisors (see below), whose sum is σ = 15904376012889. Its totient is φ = 4472719186320.

The previous prime is 8610662278417. The next prime is 8610662278457. The reversal of 8610662278449 is 9448722660168.

The square root of 8610662278449 is 2934393.

It is a perfect power (a square), and thus also a powerful number.

8610662278449 is a `hidden beast` number, since 8 + 6 + 106 + 62 + 27 + 8 + 449 = 666.

It is not a de Polignac number, because 8610662278449 - 2⁵ = 8610662278417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (8610662279449) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 677838432 + ... + 677851134.

Almost surely, 2^{8610662278449} is an apocalyptic number.

8610662278449 is the 2934393-rd square number.

8610662278449 is the 1467197-th centered octagonal number.

It is an amenable number.

8610662278449 is a deficient number, since it is larger than the sum of its proper divisors (7293713734440).

8610662278449 is an equidigital number, since it uses as much as digits as its factorization.

8610662278449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25448 (or 12724 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 63.

The spelling of 8610662278449 in words is "eight trillion, six hundred ten billion, six hundred sixty-two million, two hundred seventy-eight thousand, four hundred forty-nine".