9888708142 has 4 divisors (see below), whose sum is σ = 14833062216. Its totient is φ = 4944354070.

The previous prime is 9888708139. The next prime is 9888708191. The reversal of 9888708142 is 2418078889.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2472177034 + ... + 2472177037.

It is an arithmetic number, because the mean of its divisors is an integer number (3708265554).

Almost surely, 2^9888708142 is an apocalyptic number.

9888708142 is a deficient number, since it is larger than the sum of its proper divisors (4944354074).

9888708142 is a wasteful number, since it uses less digits than its factorization.

9888708142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944354073.

The product of its (nonzero) digits is 2064384, while the sum is 55.

The square root of 9888708142 is about 99441.9837996005. The cubic root of 9888708142 is about 2146.4124878386.

The spelling of 9888708142 in words is "nine billion, eight hundred eighty-eight million, seven hundred eight thousand, one hundred forty-two".