8504807297961 has 32 divisors (see below), whose sum is σ = 12930824769408. Its totient is φ = 4925693998080.

The previous prime is 8504807297941. The next prime is 8504807297971. The reversal of 8504807297961 is 1697927084058.

It is not a de Polignac number, because 8504807297961 - 2⁶ = 8504807297897 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8504807297892 and 8504807297901.

It is not an unprimeable number, because it can be changed into a prime (8504807297911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20862295 + ... + 21266051.

It is an arithmetic number, because the mean of its divisors is an integer number (404088274044).

Almost surely, 2^{8504807297961} is an apocalyptic number.

It is an amenable number.

8504807297961 is a deficient number, since it is larger than the sum of its proper divisors (4426017471447).

8504807297961 is a wasteful number, since it uses less digits than its factorization.

8504807297961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435561.

The product of its (nonzero) digits is 60963840, while the sum is 66.

The spelling of 8504807297961 in words is "eight trillion, five hundred four billion, eight hundred seven million, two hundred ninety-seven thousand, nine hundred sixty-one".