987105158 has 32 divisors (see below), whose sum is σ = 1625554560. Its totient is φ = 446808960.

The previous prime is 987105151. The next prime is 987105169. The reversal of 987105158 is 851501789.

It is a happy number.

987105158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987105151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320948 + ... + 324008.

It is an arithmetic number, because the mean of its divisors is an integer number (50798580).

Almost surely, 2^987105158 is an apocalyptic number.

987105158 is a deficient number, since it is larger than the sum of its proper divisors (638449402).

987105158 is a wasteful number, since it uses less digits than its factorization.

987105158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312.

The product of its (nonzero) digits is 100800, while the sum is 44.

The square root of 987105158 is about 31418.2297082442. The cubic root of 987105158 is about 995.6831106152.

The spelling of 987105158 in words is "nine hundred eighty-seven million, one hundred five thousand, one hundred fifty-eight".