89225680 has 20 divisors (see below), whose sum is σ = 207449892. Its totient is φ = 35690240.

The previous prime is 89225677. The next prime is 89225683. The reversal of 89225680 is 8652298.

It is an interprime number because it is at equal distance from previous prime (89225677) and next prime (89225683).

It can be written as a sum of positive squares in 2 ways, for example, as 55771024 + 33454656 = 7468^2 + 5784^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×89225680² = 15922443942924800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89225683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557581 + ... + 557740.

Almost surely, 2^89225680 is an apocalyptic number.

89225680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89225680 is an abundant number, since it is smaller than the sum of its proper divisors (118224212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89225680 is a wasteful number, since it uses less digits than its factorization.

89225680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115334 (or 1115328 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 89225680 is about 9445.9345752551. The cubic root of 89225680 is about 446.8515706822.

The spelling of 89225680 in words is "eighty-nine million, two hundred twenty-five thousand, six hundred eighty".