89385477 has 4 divisors (see below), whose sum is σ = 119180640. Its totient is φ = 59590316.

The previous prime is 89385469. The next prime is 89385497. The reversal of 89385477 is 77458398.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89385477 - 2³ = 89385469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89385497) 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 in 3 ways as a sum of consecutive naturals, for example, 14897577 + ... + 14897582.

It is an arithmetic number, because the mean of its divisors is an integer number (29795160).

Almost surely, 2^89385477 is an apocalyptic number.

It is an amenable number.

89385477 is a deficient number, since it is larger than the sum of its proper divisors (29795163).

89385477 is a wasteful number, since it uses less digits than its factorization.

89385477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29795162.

The product of its digits is 1693440, while the sum is 51.

The square root of 89385477 is about 9454.3892980985. The cubic root of 89385477 is about 447.1181716404.

The spelling of 89385477 in words is "eighty-nine million, three hundred eighty-five thousand, four hundred seventy-seven".