197280793 has 2 divisors, whose sum is σ = 197280794. Its totient is φ = 197280792.

The previous prime is 197280773. The next prime is 197280803. The reversal of 197280793 is 397082791.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179908569 + 17372224 = 13413^2 + 4168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197280793 is a prime.

It is a super-2 number, since 2×197280793² = 77839422573417698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (197280773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98640396 + 98640397.

It is an arithmetic number, because the mean of its divisors is an integer number (98640397).

Almost surely, 2^197280793 is an apocalyptic number.

It is an amenable number.

197280793 is a deficient number, since it is larger than the sum of its proper divisors (1).

197280793 is an equidigital number, since it uses as much as digits as its factorization.

197280793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 197280793 is about 14045.6681222361. The cubic root of 197280793 is about 582.1411082294.

The spelling of 197280793 in words is "one hundred ninety-seven million, two hundred eighty thousand, seven hundred ninety-three".