987618849836 has 12 divisors (see below), whose sum is σ = 1729739287920. Its totient is φ = 493407624720.

The previous prime is 987618849817. The next prime is 987618849857. The reversal of 987618849836 is 638948816789.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100444520 + ... + 100454351.

It is an arithmetic number, because the mean of its divisors is an integer number (144144940660).

Almost surely, 2^987618849836 is an apocalyptic number.

It is an amenable number.

987618849836 is a deficient number, since it is larger than the sum of its proper divisors (742120438084).

987618849836 is a wasteful number, since it uses less digits than its factorization.

987618849836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200900104 (or 200900102 counting only the distinct ones).

The product of its digits is 1003290624, while the sum is 77.

The spelling of 987618849836 in words is "nine hundred eighty-seven billion, six hundred eighteen million, eight hundred forty-nine thousand, eight hundred thirty-six".