988156874812 has 6 divisors (see below), whose sum is σ = 1729274530928. Its totient is φ = 494078437404.

The previous prime is 988156874741. The next prime is 988156874863. The reversal of 988156874812 is 218478651889.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123519609348 + ... + 123519609355.

Almost surely, 2^988156874812 is an apocalyptic number.

It is an amenable number.

988156874812 is a deficient number, since it is larger than the sum of its proper divisors (741117656116).

988156874812 is a wasteful number, since it uses less digits than its factorization.

988156874812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247039218707 (or 247039218705 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 67.

The spelling of 988156874812 in words is "nine hundred eighty-eight billion, one hundred fifty-six million, eight hundred seventy-four thousand, eight hundred twelve".