97305880 has 128 divisors (see below), whose sum is σ = 261273600. Its totient is φ = 31928832.

The previous prime is 97305877. The next prime is 97305911. The reversal of 97305880 is 8850379.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1172319 + ... + 1172401.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 2^97305880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97305880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130636800).

97305880 is an abundant number, since it is smaller than the sum of its proper divisors (163967720).

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

97305880 is a wasteful number, since it uses less digits than its factorization.

97305880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 97305880 is about 9864.3742832478. The cubic root of 97305880 is about 459.9525470899.

The spelling of 97305880 in words is "ninety-seven million, three hundred five thousand, eight hundred eighty".