99898615712 has 48 divisors (see below), whose sum is σ = 226412625600. Its totient is φ = 42501170688.

The previous prime is 99898615697. The next prime is 99898615717. The reversal of 99898615712 is 21751689899.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99898615717) 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 7 ways as a sum of consecutive naturals, for example, 1596962 + ... + 1658337.

It is an arithmetic number, because the mean of its divisors is an integer number (4716929700).

Almost surely, 2^99898615712 is an apocalyptic number.

It is an amenable number.

99898615712 is an abundant number, since it is smaller than the sum of its proper divisors (126514009888).

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

99898615712 is a wasteful number, since it uses less digits than its factorization.

99898615712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255453 (or 3255445 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 65.

The spelling of 99898615712 in words is "ninety-nine billion, eight hundred ninety-eight million, six hundred fifteen thousand, seven hundred twelve".