89148869 has 8 divisors (see below), whose sum is σ = 90866880. Its totient is φ = 87447456.

The previous prime is 89148863. The next prime is 89148881. The reversal of 89148869 is 96884198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89148869 - 2⁴ = 89148853 is a prime.

It is a super-2 number, since 2×89148869² = 15895041687958322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 89148869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89148863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6977 + ... + 15065.

It is an arithmetic number, because the mean of its divisors is an integer number (11358360).

Almost surely, 2^89148869 is an apocalyptic number.

It is an amenable number.

89148869 is a deficient number, since it is larger than the sum of its proper divisors (1718011).

89148869 is a wasteful number, since it uses less digits than its factorization.

89148869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8299.

The product of its digits is 995328, while the sum is 53.

The square root of 89148869 is about 9441.8678766439. The cubic root of 89148869 is about 446.7233080197.

The spelling of 89148869 in words is "eighty-nine million, one hundred forty-eight thousand, eight hundred sixty-nine".