88981433 has 2 divisors, whose sum is σ = 88981434. Its totient is φ = 88981432.

The previous prime is 88981421. The next prime is 88981513. The reversal of 88981433 is 33418988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88887184 + 94249 = 9428^2 + 307^2 .

It is a cyclic number.

It is not a de Polignac number, because 88981433 - 2⁸ = 88981177 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 (88981033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44490716 + 44490717.

It is an arithmetic number, because the mean of its divisors is an integer number (44490717).

Almost surely, 2^88981433 is an apocalyptic number.

It is an amenable number.

88981433 is a deficient number, since it is larger than the sum of its proper divisors (1).

88981433 is an equidigital number, since it uses as much as digits as its factorization.

88981433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 44.

The square root of 88981433 is about 9432.9970316968. The cubic root of 88981433 is about 446.4434598628.

The spelling of 88981433 in words is "eighty-eight million, nine hundred eighty-one thousand, four hundred thirty-three".