89864247 has 8 divisors (see below), whose sum is σ = 130711680. Its totient is φ = 54463160.

The previous prime is 89864237. The next prime is 89864249. The reversal of 89864247 is 74246898.

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 89864247 - 2¹⁰ = 89863223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89864196 and 89864205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89864249) 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, 1361547 + ... + 1361612.

It is an arithmetic number, because the mean of its divisors is an integer number (16338960).

Almost surely, 2^89864247 is an apocalyptic number.

89864247 is a deficient number, since it is larger than the sum of its proper divisors (40847433).

89864247 is a wasteful number, since it uses less digits than its factorization.

89864247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723173.

The product of its digits is 774144, while the sum is 48.

The square root of 89864247 is about 9479.6754691287. The cubic root of 89864247 is about 447.9150412210.

The spelling of 89864247 in words is "eighty-nine million, eight hundred sixty-four thousand, two hundred forty-seven".