99387627012 has 72 divisors (see below), whose sum is σ = 255532368000. Its totient is φ = 32565544128.

The previous prime is 99387626999. The next prime is 99387627013. The reversal of 99387627012 is 21072678399.

99387627012 is a `hidden beast` number, since 9 + 9 + 3 + 8 + 7 + 627 + 0 + 1 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 99387627012.

It is not an unprimeable number, because it can be changed into a prime (99387627013) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 568614 + ... + 722562.

Almost surely, 2^99387627012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99387627012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127766184000).

99387627012 is an abundant number, since it is smaller than the sum of its proper divisors (156144740988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99387627012 is a wasteful number, since it uses less digits than its factorization.

99387627012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154265 (or 154260 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 99387627012 in words is "ninety-nine billion, three hundred eighty-seven million, six hundred twenty-seven thousand, twelve".