8790987 has 4 divisors (see below), whose sum is σ = 11721320. Its totient is φ = 5860656.

The previous prime is 8790983. The next prime is 8791009. The reversal of 8790987 is 7890978.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8790987 - 2² = 8790983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8790983) 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 3 ways as a sum of consecutive naturals, for example, 1465162 + ... + 1465167.

It is an arithmetic number, because the mean of its divisors is an integer number (2930330).

Almost surely, 2^8790987 is an apocalyptic number.

8790987 is a deficient number, since it is larger than the sum of its proper divisors (2930333).

8790987 is a wasteful number, since it uses less digits than its factorization.

8790987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930332.

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

The square root of 8790987 is about 2964.9598648211. The cubic root of 8790987 is about 206.3855146150.

Subtracting from 8790987 its reverse (7890978), we obtain a palindrome (900009).

The spelling of 8790987 in words is "eight million, seven hundred ninety thousand, nine hundred eighty-seven".