89475677 has 2 divisors, whose sum is σ = 89475678. Its totient is φ = 89475676.

The previous prime is 89475671. The next prime is 89475679. The reversal of 89475677 is 77657498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45306361 + 44169316 = 6731^2 + 6646^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89475677 is a prime.

Together with 89475679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89475671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44737838 + 44737839.

It is an arithmetic number, because the mean of its divisors is an integer number (44737839).

Almost surely, 2^89475677 is an apocalyptic number.

It is an amenable number.

89475677 is a deficient number, since it is larger than the sum of its proper divisors (1).

89475677 is an equidigital number, since it uses as much as digits as its factorization.

89475677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 53.

The square root of 89475677 is about 9459.1583663664. The cubic root of 89475677 is about 447.2685185878.

The spelling of 89475677 in words is "eighty-nine million, four hundred seventy-five thousand, six hundred seventy-seven".