89777982 has 16 divisors (see below), whose sum is σ = 205206912. Its totient is φ = 25650840.

The previous prime is 89777971. The next prime is 89778001. The reversal of 89777982 is 28977798.

It is a congruent number.

It is an unprimeable number.

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, 1068744 + ... + 1068827.

It is an arithmetic number, because the mean of its divisors is an integer number (12825432).

Almost surely, 2^89777982 is an apocalyptic number.

89777982 is an abundant number, since it is smaller than the sum of its proper divisors (115428930).

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

89777982 is a wasteful number, since it uses less digits than its factorization.

89777982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137583.

The product of its digits is 3556224, while the sum is 57.

The square root of 89777982 is about 9475.1243791309. The cubic root of 89777982 is about 447.7716702926.

The spelling of 89777982 in words is "eighty-nine million, seven hundred seventy-seven thousand, nine hundred eighty-two".