8780997 has 8 divisors (see below), whose sum is σ = 12111840. Its totient is φ = 5652080.

The previous prime is 8780977. The next prime is 8780999. The reversal of 8780997 is 7990878.

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 8780997 - 2²³ = 392389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8780999) 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, 50379 + ... + 50552.

It is an arithmetic number, because the mean of its divisors is an integer number (1513980).

Almost surely, 2^8780997 is an apocalyptic number.

8780997 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

8780997 is a deficient number, since it is larger than the sum of its proper divisors (3330843).

8780997 is a wasteful number, since it uses less digits than its factorization.

8780997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100963.

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 8780997 is about 2963.2747088314. The cubic root of 8780997 is about 206.3073067571.

The spelling of 8780997 in words is "eight million, seven hundred eighty thousand, nine hundred ninety-seven".