99849771000 has 384 divisors, whose sum is σ = 392257382400. Its totient is φ = 22435142400.

The previous prime is 99849770939. The next prime is 99849771001. The reversal of 99849771000 is 17794899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99849771001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3703569 + ... + 3730431.

It is an arithmetic number, because the mean of its divisors is an integer number (1021503600).

Almost surely, 2^99849771000 is an apocalyptic number.

99849771000 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99849771000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196128691200).

99849771000 is an abundant number, since it is smaller than the sum of its proper divisors (292407611400).

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

99849771000 is a wasteful number, since it uses less digits than its factorization.

99849771000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26956 (or 26939 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The spelling of 99849771000 in words is "ninety-nine billion, eight hundred forty-nine million, seven hundred seventy-one thousand".