197052766 has 4 divisors (see below), whose sum is σ = 295579152. Its totient is φ = 98526382.

The previous prime is 197052749. The next prime is 197052773. The reversal of 197052766 is 667250791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 667250791 = 797 ⋅837203.

It is a super-3 number, since 3×197052766³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49263190 + ... + 49263193.

It is an arithmetic number, because the mean of its divisors is an integer number (73894788).

Almost surely, 2^197052766 is an apocalyptic number.

197052766 is a deficient number, since it is larger than the sum of its proper divisors (98526386).

197052766 is an equidigital number, since it uses as much as digits as its factorization.

197052766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98526385.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 197052766 is about 14037.5484326858. The cubic root of 197052766 is about 581.9167324968.

The spelling of 197052766 in words is "one hundred ninety-seven million, fifty-two thousand, seven hundred sixty-six".