89448477 has 4 divisors (see below), whose sum is σ = 119264640. Its totient is φ = 59632316.

The previous prime is 89448451. The next prime is 89448479. The reversal of 89448477 is 77484498.

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 89448477 - 2⁷ = 89448349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89448479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14908077 + ... + 14908082.

It is an arithmetic number, because the mean of its divisors is an integer number (29816160).

Almost surely, 2^89448477 is an apocalyptic number.

It is an amenable number.

89448477 is a deficient number, since it is larger than the sum of its proper divisors (29816163).

89448477 is a wasteful number, since it uses less digits than its factorization.

89448477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29816162.

The product of its digits is 1806336, while the sum is 51.

The square root of 89448477 is about 9457.7204970331. The cubic root of 89448477 is about 447.2231917941.

The spelling of 89448477 in words is "eighty-nine million, four hundred forty-eight thousand, four hundred seventy-seven".