89065478 has 4 divisors (see below), whose sum is σ = 133598220. Its totient is φ = 44532738.

The previous prime is 89065463. The next prime is 89065523. The reversal of 89065478 is 87456098.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87456098 = 2 ⋅43728049.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22266368 + ... + 22266371.

It is an arithmetic number, because the mean of its divisors is an integer number (33399555).

Almost surely, 2^89065478 is an apocalyptic number.

89065478 is a deficient number, since it is larger than the sum of its proper divisors (44532742).

89065478 is a wasteful number, since it uses less digits than its factorization.

89065478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44532741.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 89065478 is about 9437.4508210639. The cubic root of 89065478 is about 446.5839743209.

The spelling of 89065478 in words is "eighty-nine million, sixty-five thousand, four hundred seventy-eight".