8780487 has 16 divisors (see below), whose sum is σ = 11975040. Its totient is φ = 5721632.

The previous prime is 8780459. The next prime is 8780509. The reversal of 8780487 is 7840878.

8780487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8780487 - 2⁶ = 8780423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8780087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44473 + ... + 44669.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^8780487 is an apocalyptic number.

8780487 is a deficient number, since it is larger than the sum of its proper divisors (3194553).

8780487 is a wasteful number, since it uses less digits than its factorization.

8780487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462.

The product of its (nonzero) digits is 100352, while the sum is 42.

The square root of 8780487 is about 2963.1886541359. The cubic root of 8780487 is about 206.3033125728.

The spelling of 8780487 in words is "eight million, seven hundred eighty thousand, four hundred eighty-seven".