487830197 has 2 divisors, whose sum is σ = 487830198. Its totient is φ = 487830196.

The previous prime is 487830193. The next prime is 487830209. The reversal of 487830197 is 791038784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 468549316 + 19280881 = 21646^2 + 4391^2 .

It is a cyclic number.

It is not a de Polignac number, because 487830197 - 2² = 487830193 is a prime.

It is a super-2 number, since 2×487830197² = 475956602210117618, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487830191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243915098 + 243915099.

It is an arithmetic number, because the mean of its divisors is an integer number (243915099).

Almost surely, 2^487830197 is an apocalyptic number.

It is an amenable number.

487830197 is a deficient number, since it is larger than the sum of its proper divisors (1).

487830197 is an equidigital number, since it uses as much as digits as its factorization.

487830197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 487830197 is about 22086.8783896684. The cubic root of 487830197 is about 787.2081105857.

The spelling of 487830197 in words is "four hundred eighty-seven million, eight hundred thirty thousand, one hundred ninety-seven".