987167923 has 8 divisors (see below), whose sum is σ = 1136805120. Its totient is φ = 839684040.

The previous prime is 987167921. The next prime is 987167939. The reversal of 987167923 is 329761789.

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 987167923 - 2¹ = 987167921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (987167921) 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, 537343 + ... + 539176.

It is an arithmetic number, because the mean of its divisors is an integer number (142100640).

Almost surely, 2^987167923 is an apocalyptic number.

987167923 is a deficient number, since it is larger than the sum of its proper divisors (149637197).

987167923 is a wasteful number, since it uses less digits than its factorization.

987167923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076657.

The product of its digits is 1143072, while the sum is 52.

The square root of 987167923 is about 31419.2285551380. The cubic root of 987167923 is about 995.7042136441.

The spelling of 987167923 in words is "nine hundred eighty-seven million, one hundred sixty-seven thousand, nine hundred twenty-three".