97575827140 has 24 divisors (see below), whose sum is σ = 223537349952. Its totient is φ = 35482118880.

The previous prime is 97575827113. The next prime is 97575827159. The reversal of 97575827140 is 4172857579.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221763024 + ... + 221763463.

It is an arithmetic number, because the mean of its divisors is an integer number (9314056248).

Almost surely, 2^97575827140 is an apocalyptic number.

It is an amenable number.

97575827140 is an abundant number, since it is smaller than the sum of its proper divisors (125961522812).

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

97575827140 is a wasteful number, since it uses less digits than its factorization.

97575827140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443526507 (or 443526505 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 55.

The spelling of 97575827140 in words is "ninety-seven billion, five hundred seventy-five million, eight hundred twenty-seven thousand, one hundred forty".