9780163763 has 2 divisors, whose sum is σ = 9780163764. Its totient is φ = 9780163762.

The previous prime is 9780163727. The next prime is 9780163769. The reversal of 9780163763 is 3673610879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9780163763 - 2²⁶ = 9713054899 is a prime.

It is not a weakly prime, because it can be changed into another prime (9780163769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4890081881 + 4890081882.

It is an arithmetic number, because the mean of its divisors is an integer number (4890081882).

Almost surely, 2^9780163763 is an apocalyptic number.

9780163763 is a deficient number, since it is larger than the sum of its proper divisors (1).

9780163763 is an equidigital number, since it uses as much as digits as its factorization.

9780163763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 9780163763 is about 98894.7104905010. The cubic root of 9780163763 is about 2138.5301406128.

The spelling of 9780163763 in words is "nine billion, seven hundred eighty million, one hundred sixty-three thousand, seven hundred sixty-three".