89477 has 2 divisors, whose sum is σ = 89478. Its totient is φ = 89476.
The previous prime is 89459. The next prime is 89491. The reversal of 89477 is 77498.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 45796 + 43681 = 214^2 + 209^2 .
It is a cyclic number.
It is not a de Polignac number, because 89477 - 26 = 89413 is a prime.
It is a super-2 number, since 2×894772 = 16012267058, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 89477.
It is not a weakly prime, because it can be changed into another prime (89417) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44738 + 44739.
It is an arithmetic number, because the mean of its divisors is an integer number (44739).
289477 is an apocalyptic number.
It is an amenable number.
89477 is a deficient number, since it is larger than the sum of its proper divisors (1).
89477 is an equidigital number, since it uses as much as digits as its factorization.
89477 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 14112, while the sum is 35.
The square root of 89477 is about 299.1270633025. The cubic root of 89477 is about 44.7270723035.
The spelling of 89477 in words is "eighty-nine thousand, four hundred seventy-seven".
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