88733989 has 2 divisors, whose sum is σ = 88733990. Its totient is φ = 88733988.

The previous prime is 88733987. The next prime is 88734001. The reversal of 88733989 is 98933788.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55383364 + 33350625 = 7442^2 + 5775^2 .

It is a cyclic number.

It is not a de Polignac number, because 88733989 - 2¹ = 88733987 is a prime.

Together with 88733987, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88733987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44366994 + 44366995.

It is an arithmetic number, because the mean of its divisors is an integer number (44366995).

Almost surely, 2^88733989 is an apocalyptic number.

It is an amenable number.

88733989 is a deficient number, since it is larger than the sum of its proper divisors (1).

88733989 is an equidigital number, since it uses as much as digits as its factorization.

88733989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 55.

The square root of 88733989 is about 9419.8720267316. The cubic root of 88733989 is about 446.0292449336.

The spelling of 88733989 in words is "eighty-eight million, seven hundred thirty-three thousand, nine hundred eighty-nine".