89877666 has 8 divisors (see below), whose sum is σ = 179755344. Its totient is φ = 29959220.

The previous prime is 89877661. The next prime is 89877701. The reversal of 89877666 is 66677898.

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

89877666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (89877661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7489800 + ... + 7489811.

It is an arithmetic number, because the mean of its divisors is an integer number (22469418).

Almost surely, 2^89877666 is an apocalyptic number.

89877666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

89877666 is a wasteful number, since it uses less digits than its factorization.

89877666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14979616.

The product of its digits is 6096384, while the sum is 57.

The square root of 89877666 is about 9480.3832201024. The cubic root of 89877666 is about 447.9373351179.

It can be divided in two parts, 8987 and 7666, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 89877666 in words is "eighty-nine million, eight hundred seventy-seven thousand, six hundred sixty-six".