888984987 has 8 divisors (see below), whose sum is σ = 1293069120. Its totient is φ = 538778760.

The previous prime is 888984913. The next prime is 888984991. The reversal of 888984987 is 789489888.

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

It is not a de Polignac number, because 888984987 - 2¹⁸ = 888722843 is a prime.

It is a super-2 number, since 2×888984987² = 1580588614222780338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (888984287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13469437 + ... + 13469502.

It is an arithmetic number, because the mean of its divisors is an integer number (161633640).

Almost surely, 2^888984987 is an apocalyptic number.

888984987 is a deficient number, since it is larger than the sum of its proper divisors (404084133).

888984987 is a wasteful number, since it uses less digits than its factorization.

888984987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26938953.

The product of its digits is 74317824, while the sum is 69.

The square root of 888984987 is about 29815.8512707586. The cubic root of 888984987 is about 961.5343616546.

The spelling of 888984987 in words is "eight hundred eighty-eight million, nine hundred eighty-four thousand, nine hundred eighty-seven".