97545880 has 32 divisors (see below), whose sum is σ = 223203600. Its totient is φ = 38356096.

The previous prime is 97545863. The next prime is 97545907. The reversal of 97545880 is 8854579.

It is a self number, because there is not a number n which added to its sum of digits gives 97545880.

It is a congruent number.

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, 18307 + ... + 23026.

Almost surely, 2^97545880 is an apocalyptic number.

It is an amenable number.

97545880 is an abundant number, since it is smaller than the sum of its proper divisors (125657720).

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

97545880 is a wasteful number, since it uses less digits than its factorization.

97545880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41403 (or 41399 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 97545880 is about 9876.5317799317. The cubic root of 97545880 is about 460.3303864678.

The spelling of 97545880 in words is "ninety-seven million, five hundred forty-five thousand, eight hundred eighty".