88600646789 has 2 divisors, whose sum is σ = 88600646790. Its totient is φ = 88600646788.

The previous prime is 88600646777. The next prime is 88600646809. The reversal of 88600646789 is 98764600688.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70765044289 + 17835602500 = 266017^2 + 133550^2 .

It is a cyclic number.

It is not a de Polignac number, because 88600646789 - 2⁴ = 88600646773 is a prime.

It is a super-2 number, since 2×88600646789² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88600640789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44300323394 + 44300323395.

It is an arithmetic number, because the mean of its divisors is an integer number (44300323395).

Almost surely, 2^88600646789 is an apocalyptic number.

It is an amenable number.

88600646789 is a deficient number, since it is larger than the sum of its proper divisors (1).

88600646789 is an equidigital number, since it uses as much as digits as its factorization.

88600646789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 88600646789 in words is "eighty-eight billion, six hundred million, six hundred forty-six thousand, seven hundred eighty-nine".