9988904762 has 4 divisors (see below), whose sum is σ = 14983357146. Its totient is φ = 4994452380.

The previous prime is 9988904707. The next prime is 9988904771. The reversal of 9988904762 is 2674098899.

9988904762 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9021010441 + 967894321 = 94979^2 + 31111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9988904695 and 9988904704.

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, 2497226189 + ... + 2497226192.

Almost surely, 2^9988904762 is an apocalyptic number.

9988904762 is a deficient number, since it is larger than the sum of its proper divisors (4994452384).

9988904762 is a wasteful number, since it uses less digits than its factorization.

9988904762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4994452383.

The product of its (nonzero) digits is 15676416, while the sum is 62.

The square root of 9988904762 is about 99944.5084134191. The cubic root of 9988904762 is about 2153.6375963063.

The spelling of 9988904762 in words is "nine billion, nine hundred eighty-eight million, nine hundred four thousand, seven hundred sixty-two".