9988377 has 8 divisors (see below), whose sum is σ = 15220416. Its totient is φ = 5707632.

The previous prime is 9988373. The next prime is 9988397. The reversal of 9988377 is 7738899.

It is a happy number.

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

It is not a de Polignac number, because 9988377 - 2² = 9988373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9988373) 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, 237798 + ... + 237839.

It is an arithmetic number, because the mean of its divisors is an integer number (1902552).

Almost surely, 2^9988377 is an apocalyptic number.

It is an amenable number.

9988377 is a deficient number, since it is larger than the sum of its proper divisors (5232039).

9988377 is a wasteful number, since it uses less digits than its factorization.

9988377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475647.

The product of its digits is 762048, while the sum is 51.

The square root of 9988377 is about 3160.4393681892. The cubic root of 9988377 is about 215.3599666619.

The spelling of 9988377 in words is "nine million, nine hundred eighty-eight thousand, three hundred seventy-seven".