8074844007129 has 27 divisors (see below), whose sum is σ = 12193123958197. Its totient is φ = 5149050857016.

The previous prime is 8074844007101. The next prime is 8074844007151. The reversal of 8074844007129 is 9217004484708.

The square root of 8074844007129 is 2841627.

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

8074844007129 is a `hidden beast` number, since 8 + 0 + 74 + 8 + 440 + 0 + 7 + 129 = 666.

It is not a de Polignac number, because 8074844007129 - 2³¹ = 8072696523481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8074844007829) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 196051672 + ... + 196092854.

Almost surely, 2^{8074844007129} is an apocalyptic number.

8074844007129 is the 2841627-th square number.

8074844007129 is the 1420814-th centered octagonal number.

It is an amenable number.

8074844007129 is a deficient number, since it is larger than the sum of its proper divisors (4118279951068).

8074844007129 is an frugal number, since it uses more digits than its factorization.

8074844007129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82418 (or 41209 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 8074844007129 in words is "eight trillion, seventy-four billion, eight hundred forty-four million, seven thousand, one hundred twenty-nine".