2197830487 has 2 divisors, whose sum is σ = 2197830488. Its totient is φ = 2197830486.

The previous prime is 2197830473. The next prime is 2197830521. The reversal of 2197830487 is 7840387912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2197830487 - 2⁷ = 2197830359 is a prime.

It is a super-3 number, since 3×2197830487³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2197830487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2197830457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098915243 + 1098915244.

It is an arithmetic number, because the mean of its divisors is an integer number (1098915244).

Almost surely, 2^2197830487 is an apocalyptic number.

2197830487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2197830487 is an equidigital number, since it uses as much as digits as its factorization.

2197830487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 2197830487 is about 46881.0248074847. The cubic root of 2197830487 is about 1300.1637835065.

The spelling of 2197830487 in words is "two billion, one hundred ninety-seven million, eight hundred thirty thousand, four hundred eighty-seven".