196880051287 has 2 divisors, whose sum is σ = 196880051288. Its totient is φ = 196880051286.

The previous prime is 196880051281. The next prime is 196880051309. The reversal of 196880051287 is 782150088691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196880051287 - 2¹⁵ = 196880018519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196880051281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98440025643 + 98440025644.

It is an arithmetic number, because the mean of its divisors is an integer number (98440025644).

Almost surely, 2^196880051287 is an apocalyptic number.

196880051287 is a deficient number, since it is larger than the sum of its proper divisors (1).

196880051287 is an equidigital number, since it uses as much as digits as its factorization.

196880051287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 55.

The spelling of 196880051287 in words is "one hundred ninety-six billion, eight hundred eighty million, fifty-one thousand, two hundred eighty-seven".