196882687 has 2 divisors, whose sum is σ = 196882688. Its totient is φ = 196882686.

The previous prime is 196882663. The next prime is 196882717. The reversal of 196882687 is 786288691.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196882687 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196882657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98441343 + 98441344.

It is an arithmetic number, because the mean of its divisors is an integer number (98441344).

Almost surely, 2^196882687 is an apocalyptic number.

196882687 is a deficient number, since it is larger than the sum of its proper divisors (1).

196882687 is an equidigital number, since it uses as much as digits as its factorization.

196882687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 55.

The square root of 196882687 is about 14031.4891226840. The cubic root of 196882687 is about 581.7492641476.

The spelling of 196882687 in words is "one hundred ninety-six million, eight hundred eighty-two thousand, six hundred eighty-seven".