89901029 has 2 divisors, whose sum is σ = 89901030. Its totient is φ = 89901028.

The previous prime is 89901001. The next prime is 89901037. The reversal of 89901029 is 92010998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77404804 + 12496225 = 8798^2 + 3535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89901029 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 89900983 and 89901001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89981029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44950514 + 44950515.

It is an arithmetic number, because the mean of its divisors is an integer number (44950515).

Almost surely, 2^89901029 is an apocalyptic number.

It is an amenable number.

89901029 is a deficient number, since it is larger than the sum of its proper divisors (1).

89901029 is an equidigital number, since it uses as much as digits as its factorization.

89901029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 89901029 is about 9481.6153159681. The cubic root of 89901029 is about 447.9761443638.

The spelling of 89901029 in words is "eighty-nine million, nine hundred one thousand, twenty-nine".