97870842 has 40 divisors (see below), whose sum is σ = 228846816. Its totient is φ = 31204008.

The previous prime is 97870841. The next prime is 97870849. The reversal of 97870842 is 24807879.

It is not an unprimeable number, because it can be changed into a prime (97870841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9408 + ... + 16859.

Almost surely, 2^97870842 is an apocalyptic number.

97870842 is an abundant number, since it is smaller than the sum of its proper divisors (130975974).

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

97870842 is a wasteful number, since it uses less digits than its factorization.

97870842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26304 (or 26295 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 97870842 is about 9892.9693216951. The cubic root of 97870842 is about 460.8409977358.

The spelling of 97870842 in words is "ninety-seven million, eight hundred seventy thousand, eight hundred forty-two".