89827969 has 8 divisors (see below), whose sum is σ = 111993408. Its totient is φ = 69995760.

The previous prime is 89827963. The next prime is 89827979. The reversal of 89827969 is 96972898.

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 89827969 - 2³ = 89827961 is a prime.

It is a super-2 number, since 2×89827969² = 16138128029329922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89827961) 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, 583222 + ... + 583375.

It is an arithmetic number, because the mean of its divisors is an integer number (13999176).

Almost surely, 2^89827969 is an apocalyptic number.

It is an amenable number.

89827969 is a deficient number, since it is larger than the sum of its proper divisors (22165439).

89827969 is a wasteful number, since it uses less digits than its factorization.

89827969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166615.

The product of its digits is 3919104, while the sum is 58.

The square root of 89827969 is about 9477.7618138461. The cubic root of 89827969 is about 447.8547590007.

Subtracting 89827969 from its reverse (96972898), we obtain a square (7144929 = 2673²).

The spelling of 89827969 in words is "eighty-nine million, eight hundred twenty-seven thousand, nine hundred sixty-nine".