8780880 has 40 divisors (see below), whose sum is σ = 27221472. Its totient is φ = 2341504.

The previous prime is 8780879. The next prime is 8780887. The reversal of 8780880 is 880878.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8780887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18054 + ... + 18533.

Almost surely, 2^8780880 is an apocalyptic number.

8780880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8780880 is an abundant number, since it is smaller than the sum of its proper divisors (18440592).

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

8780880 is a wasteful number, since it uses less digits than its factorization.

8780880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36603 (or 36597 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 8780880 is about 2963.2549670928. The cubic root of 8780880 is about 206.3063904579.

The spelling of 8780880 in words is "eight million, seven hundred eighty thousand, eight hundred eighty".