89019977 has 8 divisors (see below), whose sum is σ = 89760000. Its totient is φ = 88283520.

The previous prime is 89019971. The next prime is 89020027. The reversal of 89019977 is 77991098.

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 89019977 - 2⁴ = 89019961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89019971) 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 7 ways as a sum of consecutive naturals, for example, 70649 + ... + 71897.

It is an arithmetic number, because the mean of its divisors is an integer number (11220000).

Almost surely, 2^89019977 is an apocalyptic number.

It is an amenable number.

89019977 is a deficient number, since it is larger than the sum of its proper divisors (740023).

89019977 is a wasteful number, since it uses less digits than its factorization.

89019977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 285768, while the sum is 50.

The square root of 89019977 is about 9435.0398515322. The cubic root of 89019977 is about 446.5079123825.

The spelling of 89019977 in words is "eighty-nine million, nineteen thousand, nine hundred seventy-seven".