97563280 has 40 divisors (see below), whose sum is σ = 227521152. Its totient is φ = 38907264.

The previous prime is 97563247. The next prime is 97563283. The reversal of 97563280 is 8236579.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (97563283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27699 + ... + 31021.

Almost surely, 2^97563280 is an apocalyptic number.

It is an amenable number.

97563280 is an abundant number, since it is smaller than the sum of its proper divisors (129957872).

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

97563280 is a wasteful number, since it uses less digits than its factorization.

97563280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703 (or 3697 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 97563280 is about 9877.4126166724. The cubic root of 97563280 is about 460.3577557170.

The spelling of 97563280 in words is "ninety-seven million, five hundred sixty-three thousand, two hundred eighty".