89477117 has 2 divisors, whose sum is σ = 89477118. Its totient is φ = 89477116.

The previous prime is 89477083. The next prime is 89477131. The reversal of 89477117 is 71177498.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88247236 + 1229881 = 9394^2 + 1109^2 .

It is a cyclic number.

It is not a de Polignac number, because 89477117 - 2⁶ = 89477053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89477147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44738558 + 44738559.

It is an arithmetic number, because the mean of its divisors is an integer number (44738559).

Almost surely, 2^89477117 is an apocalyptic number.

It is an amenable number.

89477117 is a deficient number, since it is larger than the sum of its proper divisors (1).

89477117 is an equidigital number, since it uses as much as digits as its factorization.

89477117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 44.

The square root of 89477117 is about 9459.2344827687. The cubic root of 89477117 is about 447.2709179856.

The spelling of 89477117 in words is "eighty-nine million, four hundred seventy-seven thousand, one hundred seventeen".