988784999967 has 8 divisors (see below), whose sum is σ = 1319547745840. Its totient is φ = 658606127040.

The previous prime is 988784999837. The next prime is 988785000037. The reversal of 988784999967 is 769999487889.

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

It is not a de Polignac number, because 988784999967 - 2²³ = 988776611359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988784999567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145964284 + ... + 145971057.

It is an arithmetic number, because the mean of its divisors is an integer number (164943468230).

Almost surely, 2^988784999967 is an apocalyptic number.

988784999967 is a deficient number, since it is larger than the sum of its proper divisors (330762745873).

988784999967 is a wasteful number, since it uses less digits than its factorization.

988784999967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291936473.

The product of its digits is 35554111488, while the sum is 93.

The spelling of 988784999967 in words is "nine hundred eighty-eight billion, seven hundred eighty-four million, nine hundred ninety-nine thousand, nine hundred sixty-seven".