987790359 has 8 divisors (see below), whose sum is σ = 1318258800. Its totient is φ = 657924416.

The previous prime is 987790357. The next prime is 987790421. The reversal of 987790359 is 953097789.

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 987790359 - 2¹ = 987790357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 987790299 and 987790308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987790357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146784 + ... + 153365.

It is an arithmetic number, because the mean of its divisors is an integer number (164782350).

Almost surely, 2^987790359 is an apocalyptic number.

987790359 is a deficient number, since it is larger than the sum of its proper divisors (330468441).

987790359 is a wasteful number, since it uses less digits than its factorization.

987790359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301249.

The product of its (nonzero) digits is 4286520, while the sum is 57.

The square root of 987790359 is about 31429.1323297351. The cubic root of 987790359 is about 995.9134424626.

The spelling of 987790359 in words is "nine hundred eighty-seven million, seven hundred ninety thousand, three hundred fifty-nine".