89390677 has 2 divisors, whose sum is σ = 89390678. Its totient is φ = 89390676.

The previous prime is 89390659. The next prime is 89390753. The reversal of 89390677 is 77609398.

89390677 is nontrivially palindromic in base 2.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73977201 + 15413476 = 8601^2 + 3926^2 .

It is a cyclic number.

It is not a de Polignac number, because 89390677 - 2⁷ = 89390549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89390677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89390647) 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, 44695338 + 44695339.

It is an arithmetic number, because the mean of its divisors is an integer number (44695339).

Almost surely, 2^89390677 is an apocalyptic number.

It is an amenable number.

89390677 is a deficient number, since it is larger than the sum of its proper divisors (1).

89390677 is an equidigital number, since it uses as much as digits as its factorization.

89390677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 89390677 is about 9454.6642986412. The cubic root of 89390677 is about 447.1268418386.

The spelling of 89390677 in words is "eighty-nine million, three hundred ninety thousand, six hundred seventy-seven".