99789763 has 2 divisors, whose sum is σ = 99789764. Its totient is φ = 99789762.

The previous prime is 99789761. The next prime is 99789769. The reversal of 99789763 is 36798799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99789763 - 2¹ = 99789761 is a prime.

Together with 99789761, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 99789698 and 99789707.

It is not a weakly prime, because it can be changed into another prime (99789761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49894881 + 49894882.

It is an arithmetic number, because the mean of its divisors is an integer number (49894882).

Almost surely, 2^99789763 is an apocalyptic number.

99789763 is a deficient number, since it is larger than the sum of its proper divisors (1).

99789763 is an equidigital number, since it uses as much as digits as its factorization.

99789763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5143824, while the sum is 58.

The square root of 99789763 is about 9989.4826192351. The cubic root of 99789763 is about 463.8333772393.

The spelling of 99789763 in words is "ninety-nine million, seven hundred eighty-nine thousand, seven hundred sixty-three".