10198006787 has 2 divisors, whose sum is σ = 10198006788. Its totient is φ = 10198006786.

The previous prime is 10198006783. The next prime is 10198006789. The reversal of 10198006787 is 78760089101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10198006787 - 2² = 10198006783 is a prime.

Together with 10198006789, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10198006783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5099003393 + 5099003394.

It is an arithmetic number, because the mean of its divisors is an integer number (5099003394).

Almost surely, 2^10198006787 is an apocalyptic number.

10198006787 is a deficient number, since it is larger than the sum of its proper divisors (1).

10198006787 is an equidigital number, since it uses as much as digits as its factorization.

10198006787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 47.

The spelling of 10198006787 in words is "ten billion, one hundred ninety-eight million, six thousand, seven hundred eighty-seven".