97805885 has 8 divisors (see below), whose sum is σ = 117924576. Its totient is φ = 77873040.

The previous prime is 97805861. The next prime is 97805887. The reversal of 97805885 is 58850879.

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

It is not a de Polignac number, because 97805885 - 2¹² = 97801789 is a prime.

It is a super-2 number, since 2×97805885² = 19131982281266450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97805887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45299 + ... + 47408.

It is an arithmetic number, because the mean of its divisors is an integer number (14740572).

Almost surely, 2^97805885 is an apocalyptic number.

It is an amenable number.

97805885 is a deficient number, since it is larger than the sum of its proper divisors (20118691).

97805885 is a wasteful number, since it uses less digits than its factorization.

97805885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92923.

The product of its (nonzero) digits is 806400, while the sum is 50.

The square root of 97805885 is about 9889.6857887397. The cubic root of 97805885 is about 460.7390215901.

The spelling of 97805885 in words is "ninety-seven million, eight hundred five thousand, eight hundred eighty-five".