987921106 has 8 divisors (see below), whose sum is σ = 1513411200. Its totient is φ = 483450708.

The previous prime is 987921089. The next prime is 987921161. The reversal of 987921106 is 601129789.

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

It is a super-2 number, since 2×987921106² = 1951976223360526472, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5254806 + ... + 5254993.

It is an arithmetic number, because the mean of its divisors is an integer number (189176400).

Almost surely, 2^987921106 is an apocalyptic number.

987921106 is a deficient number, since it is larger than the sum of its proper divisors (525490094).

987921106 is a wasteful number, since it uses less digits than its factorization.

987921106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10509848.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 987921106 is about 31431.2122896970. The cubic root of 987921106 is about 995.9573812562.

The spelling of 987921106 in words is "nine hundred eighty-seven million, nine hundred twenty-one thousand, one hundred six".