89780133 has 8 divisors (see below), whose sum is σ = 119857696. Its totient is φ = 59778000.

The previous prime is 89780101. The next prime is 89780147. The reversal of 89780133 is 33108798.

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

It is not a de Polignac number, because 89780133 - 2⁵ = 89780101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89780091 and 89780100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89780153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16018 + ... + 20883.

It is an arithmetic number, because the mean of its divisors is an integer number (14982212).

Almost surely, 2^89780133 is an apocalyptic number.

It is an amenable number.

89780133 is a deficient number, since it is larger than the sum of its proper divisors (30077563).

89780133 is a wasteful number, since it uses less digits than its factorization.

89780133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37715.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 89780133 is about 9475.2378861958. The cubic root of 89780133 is about 447.7752463333.

The spelling of 89780133 in words is "eighty-nine million, seven hundred eighty thousand, one hundred thirty-three".