99159280 has 80 divisors (see below), whose sum is σ = 253028448. Its totient is φ = 35840000.

The previous prime is 99159253. The next prime is 99159287. The reversal of 99159280 is 8295199.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99159287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247080 + ... + 247480.

Almost surely, 2^99159280 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 99159280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126514224).

99159280 is an abundant number, since it is smaller than the sum of its proper divisors (153869168).

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

99159280 is a wasteful number, since it uses less digits than its factorization.

99159280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 99159280 is about 9957.8752753788. The cubic root of 99159280 is about 462.8544621382.

The spelling of 99159280 in words is "ninety-nine million, one hundred fifty-nine thousand, two hundred eighty".