197277983 has 8 divisors (see below), whose sum is σ = 225545760. Its totient is φ = 169031520.

The previous prime is 197277919. The next prime is 197277991. The reversal of 197277983 is 389772791.

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

It is not a de Polignac number, because 197277983 - 2⁶ = 197277919 is a prime.

It is a super-3 number, since 3×197277983³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197277383) 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, 31493 + ... + 37233.

It is an arithmetic number, because the mean of its divisors is an integer number (28193220).

Almost surely, 2^197277983 is an apocalyptic number.

197277983 is a deficient number, since it is larger than the sum of its proper divisors (28267777).

197277983 is an equidigital number, since it uses as much as digits as its factorization.

197277983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10657.

The product of its digits is 1333584, while the sum is 53.

The square root of 197277983 is about 14045.5680910385. The cubic root of 197277983 is about 582.1383442768.

The spelling of 197277983 in words is "one hundred ninety-seven million, two hundred seventy-seven thousand, nine hundred eighty-three".