89656287 has 8 divisors (see below), whose sum is σ = 136619136. Its totient is φ = 51232152.

The previous prime is 89656253. The next prime is 89656289. The reversal of 89656287 is 78265698.

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

It is not a de Polignac number, because 89656287 - 2¹⁶ = 89590751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89656289) 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, 2134653 + ... + 2134694.

It is an arithmetic number, because the mean of its divisors is an integer number (17077392).

Almost surely, 2^89656287 is an apocalyptic number.

89656287 is a deficient number, since it is larger than the sum of its proper divisors (46962849).

89656287 is a wasteful number, since it uses less digits than its factorization.

89656287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269357.

The product of its digits is 1451520, while the sum is 51.

The square root of 89656287 is about 9468.7003860086. The cubic root of 89656287 is about 447.5692590700.

The spelling of 89656287 in words is "eighty-nine million, six hundred fifty-six thousand, two hundred eighty-seven".