10163728787 has 2 divisors, whose sum is σ = 10163728788. Its totient is φ = 10163728786.

The previous prime is 10163728781. The next prime is 10163728807. The reversal of 10163728787 is 78782736101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10163728787 is a prime.

It is not a weakly prime, because it can be changed into another prime (10163728781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5081864393 + 5081864394.

It is an arithmetic number, because the mean of its divisors is an integer number (5081864394).

Almost surely, 2^10163728787 is an apocalyptic number.

10163728787 is a deficient number, since it is larger than the sum of its proper divisors (1).

10163728787 is an equidigital number, since it uses as much as digits as its factorization.

10163728787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 790272, while the sum is 50.

The spelling of 10163728787 in words is "ten billion, one hundred sixty-three million, seven hundred twenty-eight thousand, seven hundred eighty-seven".