88443973 has 2 divisors, whose sum is σ = 88443974. Its totient is φ = 88443972.

The previous prime is 88443959. The next prime is 88443977. The reversal of 88443973 is 37934488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70862724 + 17581249 = 8418^2 + 4193^2 .

It is a cyclic number.

It is not a de Polignac number, because 88443973 - 2⁵ = 88443941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88443977) 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, 44221986 + 44221987.

It is an arithmetic number, because the mean of its divisors is an integer number (44221987).

Almost surely, 2^88443973 is an apocalyptic number.

It is an amenable number.

88443973 is a deficient number, since it is larger than the sum of its proper divisors (1).

88443973 is an equidigital number, since it uses as much as digits as its factorization.

88443973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 88443973 is about 9404.4655882192. The cubic root of 88443973 is about 445.5427842098.

The spelling of 88443973 in words is "eighty-eight million, four hundred forty-three thousand, nine hundred seventy-three".