97885480 has 128 divisors (see below), whose sum is σ = 279624960. Its totient is φ = 29952000.

The previous prime is 97885477. The next prime is 97885517. The reversal of 97885480 is 8458879.

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, 187620 + ... + 188140.

It is an arithmetic number, because the mean of its divisors is an integer number (2184570).

Almost surely, 2^97885480 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 97885480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139812480).

97885480 is an abundant number, since it is smaller than the sum of its proper divisors (181739480).

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

97885480 is a wasteful number, since it uses less digits than its factorization.

97885480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 97885480 is about 9893.7091123602. The cubic root of 97885480 is about 460.8639717360.

The spelling of 97885480 in words is "ninety-seven million, eight hundred eighty-five thousand, four hundred eighty".