97174720140 has 24 divisors (see below), whose sum is σ = 272089216560. Its totient is φ = 25913258688.

The previous prime is 97174720129. The next prime is 97174720157. The reversal of 97174720140 is 4102747179.

97174720140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 97174720092 and 97174720101.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 809789275 + ... + 809789394.

It is an arithmetic number, because the mean of its divisors is an integer number (11337050690).

Almost surely, 2^97174720140 is an apocalyptic number.

It is an amenable number.

97174720140 is an abundant number, since it is smaller than the sum of its proper divisors (174914496420).

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

97174720140 is a wasteful number, since it uses less digits than its factorization.

97174720140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619578681 (or 1619578679 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 42.

The spelling of 97174720140 in words is "ninety-seven billion, one hundred seventy-four million, seven hundred twenty thousand, one hundred forty".