89142029 has 2 divisors, whose sum is σ = 89142030. Its totient is φ = 89142028.

The previous prime is 89142017. The next prime is 89142041. The reversal of 89142029 is 92024198.

It is a balanced prime because it is at equal distance from previous prime (89142017) and next prime (89142041).

It can be written as a sum of positive squares in only one way, i.e., 67732900 + 21409129 = 8230^2 + 4627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89142029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 89142029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89142929) 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, 44571014 + 44571015.

It is an arithmetic number, because the mean of its divisors is an integer number (44571015).

Almost surely, 2^89142029 is an apocalyptic number.

It is an amenable number.

89142029 is a deficient number, since it is larger than the sum of its proper divisors (1).

89142029 is an equidigital number, since it uses as much as digits as its factorization.

89142029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 89142029 is about 9441.5056532314. The cubic root of 89142029 is about 446.7118826903.

The spelling of 89142029 in words is "eighty-nine million, one hundred forty-two thousand, twenty-nine".