987898790 has 8 divisors (see below), whose sum is σ = 1778217840. Its totient is φ = 395159512.

The previous prime is 987898789. The next prime is 987898811. The reversal of 987898790 is 97898789.

987898790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49394930 + ... + 49394949.

It is an arithmetic number, because the mean of its divisors is an integer number (222277230).

Almost surely, 2^987898790 is an apocalyptic number.

987898790 is a deficient number, since it is larger than the sum of its proper divisors (790319050).

987898790 is a wasteful number, since it uses less digits than its factorization.

987898790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98789886.

The product of its (nonzero) digits is 18289152, while the sum is 65.

The square root of 987898790 is about 31430.8572902490. The cubic root of 987898790 is about 995.9498820230.

The spelling of 987898790 in words is "nine hundred eighty-seven million, eight hundred ninety-eight thousand, seven hundred ninety".