99278591204 has 24 divisors (see below), whose sum is σ = 187632028920. Its totient is φ = 45691075584.

The previous prime is 99278591183. The next prime is 99278591219. The reversal of 99278591204 is 40219587299.

99278591204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18577144804 + 80701446400 = 136298^2 + 284080^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99278591204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2685899 + ... + 2722610.

It is an arithmetic number, because the mean of its divisors is an integer number (7818001205).

Almost surely, 2^99278591204 is an apocalyptic number.

It is an amenable number.

99278591204 is a deficient number, since it is larger than the sum of its proper divisors (88353437716).

99278591204 is a wasteful number, since it uses less digits than its factorization.

99278591204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408879 (or 5408877 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 99278591204 in words is "ninety-nine billion, two hundred seventy-eight million, five hundred ninety-one thousand, two hundred four".