787982 has 8 divisors (see below), whose sum is σ = 1272936. Its totient is φ = 363672.

The previous prime is 787981. The next prime is 787993. The reversal of 787982 is 289787.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15128 + ... + 15179.

It is an arithmetic number, because the mean of its divisors is an integer number (159117).

2⁷⁸⁷⁹⁸² is an apocalyptic number.

787982 is a deficient number, since it is larger than the sum of its proper divisors (484954).

787982 is a wasteful number, since it uses less digits than its factorization.

787982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30322.

The product of its digits is 56448, while the sum is 41.

The square root of 787982 is about 887.6835021560. The cubic root of 787982 is about 92.3645741647.

The spelling of 787982 in words is "seven hundred eighty-seven thousand, nine hundred eighty-two".