99803597180 has 24 divisors (see below), whose sum is σ = 239528633568. Its totient is φ = 34218376128.

The previous prime is 99803597171. The next prime is 99803597183. The reversal of 99803597180 is 8179530899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99803597183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356441279 + ... + 356441558.

It is an arithmetic number, because the mean of its divisors is an integer number (9980359732).

Almost surely, 2^99803597180 is an apocalyptic number.

It is an amenable number.

99803597180 is an abundant number, since it is smaller than the sum of its proper divisors (139725036388).

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

99803597180 is a wasteful number, since it uses less digits than its factorization.

99803597180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712882853 (or 712882851 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 59.

The spelling of 99803597180 in words is "ninety-nine billion, eight hundred three million, five hundred ninety-seven thousand, one hundred eighty".