89270101 has 2 divisors, whose sum is σ = 89270102. Its totient is φ = 89270100.

The previous prime is 89270099. The next prime is 89270123. The reversal of 89270101 is 10107298.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74822500 + 14447601 = 8650^2 + 3801^2 .

It is a cyclic number.

It is not a de Polignac number, because 89270101 - 2¹ = 89270099 is a prime.

Together with 89270099, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 89270101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89270131) 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, 44635050 + 44635051.

It is an arithmetic number, because the mean of its divisors is an integer number (44635051).

Almost surely, 2^89270101 is an apocalyptic number.

It is an amenable number.

89270101 is a deficient number, since it is larger than the sum of its proper divisors (1).

89270101 is an equidigital number, since it uses as much as digits as its factorization.

89270101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 89270101 is about 9448.2856116864. The cubic root of 89270101 is about 446.9257133898.

Adding to 89270101 its reverse (10107298), we get a palindrome (99377399).

The spelling of 89270101 in words is "eighty-nine million, two hundred seventy thousand, one hundred one".