88565641 has 2 divisors, whose sum is σ = 88565642. Its totient is φ = 88565640.

The previous prime is 88565629. The next prime is 88565651. The reversal of 88565641 is 14656588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59351616 + 29214025 = 7704^2 + 5405^2 .

It is a cyclic number.

It is not a de Polignac number, because 88565641 - 2⁹ = 88565129 is a prime.

It is not a weakly prime, because it can be changed into another prime (88565621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44282820 + 44282821.

It is an arithmetic number, because the mean of its divisors is an integer number (44282821).

Almost surely, 2^88565641 is an apocalyptic number.

It is an amenable number.

88565641 is a deficient number, since it is larger than the sum of its proper divisors (1).

88565641 is an equidigital number, since it uses as much as digits as its factorization.

88565641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 43.

The square root of 88565641 is about 9410.9319942288. The cubic root of 88565641 is about 445.7469943231.

The spelling of 88565641 in words is "eighty-eight million, five hundred sixty-five thousand, six hundred forty-one".