8640930406177 has 2 divisors, whose sum is σ = 8640930406178. Its totient is φ = 8640930406176.

The previous prime is 8640930406153. The next prime is 8640930406183. The reversal of 8640930406177 is 7716040390468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5338729103761 + 3302201302416 = 2310569^2 + 1817196^2 .

It is a cyclic number.

It is not a de Polignac number, because 8640930406177 - 2¹⁵ = 8640930373409 is a prime.

It is not a weakly prime, because it can be changed into another prime (8640930406127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4320465203088 + 4320465203089.

It is an arithmetic number, because the mean of its divisors is an integer number (4320465203089).

Almost surely, 2^{8640930406177} is an apocalyptic number.

It is an amenable number.

8640930406177 is a deficient number, since it is larger than the sum of its proper divisors (1).

8640930406177 is an equidigital number, since it uses as much as digits as its factorization.

8640930406177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 8640930406177 in words is "eight trillion, six hundred forty billion, nine hundred thirty million, four hundred six thousand, one hundred seventy-seven".