874216197 has 6 divisors (see below), whose sum is σ = 1262756742. Its totient is φ = 582810792.

The previous prime is 874216169. The next prime is 874216207. The reversal of 874216197 is 791612478.

It is a happy number.

874216197 is a `hidden beast` number, since 8 + 7 + 4 + 21 + 619 + 7 = 666.

874216197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 864889281 + 9326916 = 29409^2 + 3054^2 .

It is not a de Polignac number, because 874216197 - 2⁷ = 874216069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874216097) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48567558 + ... + 48567575.

It is an arithmetic number, because the mean of its divisors is an integer number (210459457).

Almost surely, 2^874216197 is an apocalyptic number.

It is an amenable number.

874216197 is a deficient number, since it is larger than the sum of its proper divisors (388540545).

874216197 is a wasteful number, since it uses less digits than its factorization.

874216197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97135139 (or 97135136 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 874216197 is about 29567.1472584015. The cubic root of 874216197 is about 956.1799134587.

The spelling of 874216197 in words is "eight hundred seventy-four million, two hundred sixteen thousand, one hundred ninety-seven".