97853866 has 8 divisors (see below), whose sum is σ = 160124544. Its totient is φ = 44479020.

The previous prime is 97853831. The next prime is 97853879. The reversal of 97853866 is 66835879.

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

It is a super-2 number, since 2×97853866² = 19150758182291912, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2223930 + ... + 2223973.

It is an arithmetic number, because the mean of its divisors is an integer number (20015568).

Almost surely, 2^97853866 is an apocalyptic number.

97853866 is a deficient number, since it is larger than the sum of its proper divisors (62270678).

97853866 is a wasteful number, since it uses less digits than its factorization.

97853866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447916.

The product of its digits is 2177280, while the sum is 52.

The square root of 97853866 is about 9892.1113014361. Note that the first 3 decimals coincide. The cubic root of 97853866 is about 460.8143514300.

The spelling of 97853866 in words is "ninety-seven million, eight hundred fifty-three thousand, eight hundred sixty-six".