4197999287 has 2 divisors, whose sum is σ = 4197999288. Its totient is φ = 4197999286.

The previous prime is 4197999263. The next prime is 4197999301. The reversal of 4197999287 is 7829997914.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4197999287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4197999257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2098999643 + 2098999644.

It is an arithmetic number, because the mean of its divisors is an integer number (2098999644).

Almost surely, 2^4197999287 is an apocalyptic number.

4197999287 is a deficient number, since it is larger than the sum of its proper divisors (1).

4197999287 is an equidigital number, since it uses as much as digits as its factorization.

4197999287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20575296, while the sum is 65.

The square root of 4197999287 is about 64791.9693094754. The cubic root of 4197999287 is about 1613.1724142494.

The spelling of 4197999287 in words is "four billion, one hundred ninety-seven million, nine hundred ninety-nine thousand, two hundred eighty-seven".