197877933 has 48 divisors (see below), whose sum is σ = 325353600. Its totient is φ = 114791040.

The previous prime is 197877907. The next prime is 197877941. The reversal of 197877933 is 339778791.

It is a happy number.

It is not a de Polignac number, because 197877933 - 2¹³ = 197869741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 197877933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197877973) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 450528 + ... + 450966.

It is an arithmetic number, because the mean of its divisors is an integer number (6778200).

Almost surely, 2^197877933 is an apocalyptic number.

It is an amenable number.

197877933 is a deficient number, since it is larger than the sum of its proper divisors (127475667).

197877933 is a wasteful number, since it uses less digits than its factorization.

197877933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 639 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 54.

The square root of 197877933 is about 14066.9091487789. The cubic root of 197877933 is about 582.7278685071.

The spelling of 197877933 in words is "one hundred ninety-seven million, eight hundred seventy-seven thousand, nine hundred thirty-three".