8561378226348 has 36 divisors (see below), whose sum is σ = 21646596298600. Its totient is φ = 2853089269056.

The previous prime is 8561378226311. The next prime is 8561378226383. The reversal of 8561378226348 is 8436228731658.

8561378226348 is a `hidden beast` number, since 8 + 5 + 6 + 1 + 378 + 226 + 34 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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, 29163298 + ... + 29455401.

Almost surely, 2^{8561378226348} is an apocalyptic number.

It is an amenable number.

8561378226348 is an abundant number, since it is smaller than the sum of its proper divisors (13085218072252).

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

8561378226348 is a wasteful number, since it uses less digits than its factorization.

8561378226348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58622766 (or 58622761 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 63.

The spelling of 8561378226348 in words is "eight trillion, five hundred sixty-one billion, three hundred seventy-eight million, two hundred twenty-six thousand, three hundred forty-eight".