99988763996 has 12 divisors (see below), whose sum is σ = 190887640440. Its totient is φ = 45449438160.

The previous prime is 99988763971. The next prime is 99988764011. The reversal of 99988763996 is 69936788999.

It is a congruent 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, 1136235911 + ... + 1136235998.

It is an arithmetic number, because the mean of its divisors is an integer number (15907303370).

Almost surely, 2^99988763996 is an apocalyptic number.

It is an amenable number.

99988763996 is a deficient number, since it is larger than the sum of its proper divisors (90898876444).

99988763996 is a wasteful number, since it uses less digits than its factorization.

99988763996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272471924 (or 2272471922 counting only the distinct ones).

The product of its digits is 2857026816, while the sum is 83.

The spelling of 99988763996 in words is "ninety-nine billion, nine hundred eighty-eight million, seven hundred sixty-three thousand, nine hundred ninety-six".