99897989102 has 8 divisors (see below), whose sum is σ = 150473959200. Its totient is φ = 49740002704.

The previous prime is 99897989057. The next prime is 99897989123. The reversal of 99897989102 is 20198979899.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 104495327 + ... + 104496282.

It is an arithmetic number, because the mean of its divisors is an integer number (18809244900).

Almost surely, 2^99897989102 is an apocalyptic number.

99897989102 is a deficient number, since it is larger than the sum of its proper divisors (50575970098).

99897989102 is a wasteful number, since it uses less digits than its factorization.

99897989102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208991850.

The product of its (nonzero) digits is 52907904, while the sum is 71.

The spelling of 99897989102 in words is "ninety-nine billion, eight hundred ninety-seven million, nine hundred eighty-nine thousand, one hundred two".