8066977932591 has 12 divisors (see below), whose sum is σ = 11900222766432. Its totient is φ = 5263560069216.

The previous prime is 8066977932557. The next prime is 8066977932641. The reversal of 8066977932591 is 1952397796608.

8066977932591 is a `hidden beast` number, since 8 + 0 + 66 + 97 + 79 + 325 + 91 = 666.

It is not a de Polignac number, because 8066977932591 - 2⁷ = 8066977932463 is a prime.

It is a super-2 number, since 2×8066977932591² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8066977932511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9535434486 + ... + 9535435331.

It is an arithmetic number, because the mean of its divisors is an integer number (991685230536).

Almost surely, 2^{8066977932591} is an apocalyptic number.

8066977932591 is a deficient number, since it is larger than the sum of its proper divisors (3833244833841).

8066977932591 is a wasteful number, since it uses less digits than its factorization.

8066977932591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19070869870 (or 19070869867 counting only the distinct ones).

The product of its (nonzero) digits is 308629440, while the sum is 72.

The spelling of 8066977932591 in words is "eight trillion, sixty-six billion, nine hundred seventy-seven million, nine hundred thirty-two thousand, five hundred ninety-one".