97119828 has 36 divisors (see below), whose sum is σ = 264383028. Its totient is φ = 29882880.

The previous prime is 97119817. The next prime is 97119853. The reversal of 97119828 is 82891179.

It can be written as a sum of positive squares in 2 ways, for example, as 32285124 + 64834704 = 5682^2 + 8052^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103293 + ... + 104228.

It is an arithmetic number, because the mean of its divisors is an integer number (7343973).

Almost surely, 2^97119828 is an apocalyptic number.

It is an amenable number.

97119828 is an abundant number, since it is smaller than the sum of its proper divisors (167263200).

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

97119828 is a wasteful number, since it uses less digits than its factorization.

97119828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207544 (or 207539 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The square root of 97119828 is about 9854.9392692193. The cubic root of 97119828 is about 459.6592119900.

The spelling of 97119828 in words is "ninety-seven million, one hundred nineteen thousand, eight hundred twenty-eight".