89678471 has 4 divisors (see below), whose sum is σ = 89748912. Its totient is φ = 89608032.

The previous prime is 89678453. The next prime is 89678483. The reversal of 89678471 is 17487698.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89678471 - 2¹⁰ = 89677447 is a prime.

It is a super-3 number, since 3×89678471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89678401) 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, 33275 + ... + 35868.

It is an arithmetic number, because the mean of its divisors is an integer number (22437228).

Almost surely, 2^89678471 is an apocalyptic number.

89678471 is a deficient number, since it is larger than the sum of its proper divisors (70441).

89678471 is a wasteful number, since it uses less digits than its factorization.

89678471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70440.

The product of its digits is 677376, while the sum is 50.

The square root of 89678471 is about 9469.8717520355. The cubic root of 89678471 is about 447.6061706203.

The spelling of 89678471 in words is "eighty-nine million, six hundred seventy-eight thousand, four hundred seventy-one".