8720927291601 has 24 divisors (see below), whose sum is σ = 14410307575040. Its totient is φ = 4978590656256.

The previous prime is 8720927291591. The next prime is 8720927291627. The reversal of 8720927291601 is 1061927290278.

8720927291601 is a `hidden beast` number, since 8 + 7 + 2 + 0 + 9 + 2 + 7 + 29 + 1 + 601 = 666.

It is not a de Polignac number, because 8720927291601 - 2¹⁴ = 8720927275217 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8720927291701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66550240 + ... + 66681153.

Almost surely, 2^{8720927291601} is an apocalyptic number.

It is an amenable number.

8720927291601 is a deficient number, since it is larger than the sum of its proper divisors (5689380283439).

8720927291601 is a wasteful number, since it uses less digits than its factorization.

8720927291601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133232445 (or 133232442 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The spelling of 8720927291601 in words is "eight trillion, seven hundred twenty billion, nine hundred twenty-seven million, two hundred ninety-one thousand, six hundred one".