97985570 has 8 divisors (see below), whose sum is σ = 176374044. Its totient is φ = 39194224.

The previous prime is 97985533. The next prime is 97985579. The reversal of 97985570 is 7558979.

It can be written as a sum of positive squares in 2 ways, for example, as 94225849 + 3759721 = 9707^2 + 1939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (97985579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4899269 + ... + 4899288.

Almost surely, 2^97985570 is an apocalyptic number.

97985570 is a deficient number, since it is larger than the sum of its proper divisors (78388474).

97985570 is a wasteful number, since it uses less digits than its factorization.

97985570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9798564.

The product of its (nonzero) digits is 793800, while the sum is 50.

The square root of 97985570 is about 9898.7660847199. The cubic root of 97985570 is about 461.0209993211.

The spelling of 97985570 in words is "ninety-seven million, nine hundred eighty-five thousand, five hundred seventy".