88600640789 has 2 divisors, whose sum is σ = 88600640790. Its totient is φ = 88600640788.

The previous prime is 88600640743. The next prime is 88600640803. The reversal of 88600640789 is 98704600688.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84124361764 + 4476279025 = 290042^2 + 66905^2 .

It is a cyclic number.

It is not a de Polignac number, because 88600640789 - 2¹⁶ = 88600575253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88600646789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44300320394 + 44300320395.

It is an arithmetic number, because the mean of its divisors is an integer number (44300320395).

Almost surely, 2^88600640789 is an apocalyptic number.

It is an amenable number.

88600640789 is a deficient number, since it is larger than the sum of its proper divisors (1).

88600640789 is an equidigital number, since it uses as much as digits as its factorization.

88600640789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 88600640789 in words is "eighty-eight billion, six hundred million, six hundred forty thousand, seven hundred eighty-nine".