89670527 has 4 divisors (see below), whose sum is σ = 90558456. Its totient is φ = 88782600.

The previous prime is 89670521. The next prime is 89670533. The reversal of 89670527 is 72507698.

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

It is an interprime number because it is at equal distance from previous prime (89670521) and next prime (89670533).

It is a cyclic number.

It is not a de Polignac number, because 89670527 - 2⁶ = 89670463 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89670521) 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, 443813 + ... + 444014.

It is an arithmetic number, because the mean of its divisors is an integer number (22639614).

Almost surely, 2^89670527 is an apocalyptic number.

89670527 is a deficient number, since it is larger than the sum of its proper divisors (887929).

89670527 is a wasteful number, since it uses less digits than its factorization.

89670527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887928.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 89670527 is about 9469.4523072879. The cubic root of 89670527 is about 447.5929534443.

The spelling of 89670527 in words is "eighty-nine million, six hundred seventy thousand, five hundred twenty-seven".