988771904 has 14 divisors (see below), whose sum is σ = 1962094374. Its totient is φ = 494385920.

The previous prime is 988771859. The next prime is 988771937. The reversal of 988771904 is 409177889.

It can be written as a sum of positive squares in only one way, i.e., 866713600 + 122058304 = 29440^2 + 11048^2 .

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 as a sum of consecutive naturals, namely, 7724717 + ... + 7724844.

Almost surely, 2^988771904 is an apocalyptic number.

It is an amenable number.

988771904 is a deficient number, since it is larger than the sum of its proper divisors (973322470).

988771904 is a wasteful number, since it uses less digits than its factorization.

988771904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15449573 (or 15449563 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 53.

The square root of 988771904 is about 31444.7436624947. The cubic root of 988771904 is about 996.2432055023.

The spelling of 988771904 in words is "nine hundred eighty-eight million, seven hundred seventy-one thousand, nine hundred four".