88636433 has 2 divisors, whose sum is σ = 88636434. Its totient is φ = 88636432.

The previous prime is 88636421. The next prime is 88636439. The reversal of 88636433 is 33463688.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56055169 + 32581264 = 7487^2 + 5708^2 .

It is a cyclic number.

It is not a de Polignac number, because 88636433 - 2²² = 84442129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (88636439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44318216 + 44318217.

It is an arithmetic number, because the mean of its divisors is an integer number (44318217).

Almost surely, 2^88636433 is an apocalyptic number.

It is an amenable number.

88636433 is a deficient number, since it is larger than the sum of its proper divisors (1).

88636433 is an equidigital number, since it uses as much as digits as its factorization.

88636433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 41.

The square root of 88636433 is about 9414.6924007107. The cubic root of 88636433 is about 445.8657270394.

The spelling of 88636433 in words is "eighty-eight million, six hundred thirty-six thousand, four hundred thirty-three".