987790006 has 16 divisors (see below), whose sum is σ = 1694929824. Its totient is φ = 422944704.

The previous prime is 987789989. The next prime is 987790007. The reversal of 987790006 is 600097789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987790007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16975 + ... + 47578.

It is an arithmetic number, because the mean of its divisors is an integer number (105933114).

Almost surely, 2^987790006 is an apocalyptic number.

987790006 is a deficient number, since it is larger than the sum of its proper divisors (707139818).

987790006 is a wasteful number, since it uses less digits than its factorization.

987790006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65655.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 987790006 is about 31429.1267139257. The cubic root of 987790006 is about 995.9133238283.

The spelling of 987790006 in words is "nine hundred eighty-seven million, seven hundred ninety thousand, six".