89957029 has 2 divisors, whose sum is σ = 89957030. Its totient is φ = 89957028.

The previous prime is 89956991. The next prime is 89957041. The reversal of 89957029 is 92075998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59320804 + 30636225 = 7702^2 + 5535^2 .

It is a cyclic number.

It is not a de Polignac number, because 89957029 - 2⁷ = 89956901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89957089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44978514 + 44978515.

It is an arithmetic number, because the mean of its divisors is an integer number (44978515).

Almost surely, 2^89957029 is an apocalyptic number.

It is an amenable number.

89957029 is a deficient number, since it is larger than the sum of its proper divisors (1).

89957029 is an equidigital number, since it uses as much as digits as its factorization.

89957029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 89957029 is about 9484.5679395532. The cubic root of 89957029 is about 448.0691409152.

The spelling of 89957029 in words is "eighty-nine million, nine hundred fifty-seven thousand, twenty-nine".