987394165 has 8 divisors (see below), whose sum is σ = 1212428448. Its totient is φ = 771545040.

The previous prime is 987394159. The next prime is 987394171. The reversal of 987394165 is 561493789.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (987394159) and next prime (987394171).

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

It is not a de Polignac number, because 987394165 - 2¹¹ = 987392117 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2296051 + ... + 2296480.

It is an arithmetic number, because the mean of its divisors is an integer number (151553556).

Almost surely, 2^987394165 is an apocalyptic number.

It is an amenable number.

987394165 is a deficient number, since it is larger than the sum of its proper divisors (225034283).

987394165 is a wasteful number, since it uses less digits than its factorization.

987394165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592579.

The product of its digits is 1632960, while the sum is 52.

The square root of 987394165 is about 31422.8287237161. The cubic root of 987394165 is about 995.7802739577.

The spelling of 987394165 in words is "nine hundred eighty-seven million, three hundred ninety-four thousand, one hundred sixty-five".