961765699 has 2 divisors, whose sum is σ = 961765700. Its totient is φ = 961765698.

The previous prime is 961765697. The next prime is 961765757. The reversal of 961765699 is 996567169.

It is an a-pointer prime, because the next prime (961765757) can be obtained adding 961765699 to its sum of digits (58).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 961765699 - 2¹ = 961765697 is a prime.

Together with 961765697, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (961765697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480882849 + 480882850.

It is an arithmetic number, because the mean of its divisors is an integer number (480882850).

Almost surely, 2^961765699 is an apocalyptic number.

961765699 is a deficient number, since it is larger than the sum of its proper divisors (1).

961765699 is an equidigital number, since it uses as much as digits as its factorization.

961765699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5511240, while the sum is 58.

The square root of 961765699 is about 31012.3475248166. The cubic root of 961765699 is about 987.0892632272.

The spelling of 961765699 in words is "nine hundred sixty-one million, seven hundred sixty-five thousand, six hundred ninety-nine".