99871739000 has 128 divisors (see below), whose sum is σ = 263170252800. Its totient is φ = 35145360000.

The previous prime is 99871738973. The next prime is 99871739039. The reversal of 99871739000 is 93717899.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194561 + ... + 487439.

It is an arithmetic number, because the mean of its divisors is an integer number (2056017600).

Almost surely, 2^99871739000 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 99871739000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131585126400).

99871739000 is an abundant number, since it is smaller than the sum of its proper divisors (163298513800).

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

99871739000 is a wasteful number, since it uses less digits than its factorization.

99871739000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292942 (or 292928 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 53.

The spelling of 99871739000 in words is "ninety-nine billion, eight hundred seventy-one million, seven hundred thirty-nine thousand".