961272799 has 2 divisors, whose sum is σ = 961272800. Its totient is φ = 961272798.

The previous prime is 961272727. The next prime is 961272817. The reversal of 961272799 is 997272169.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (997272169) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 961272799 - 2⁹ = 961272287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961270799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480636399 + 480636400.

It is an arithmetic number, because the mean of its divisors is an integer number (480636400).

Almost surely, 2^961272799 is an apocalyptic number.

961272799 is a deficient number, since it is larger than the sum of its proper divisors (1).

961272799 is an equidigital number, since it uses as much as digits as its factorization.

961272799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 52.

The square root of 961272799 is about 31004.3996716595. The cubic root of 961272799 is about 986.9206083466.

The spelling of 961272799 in words is "nine hundred sixty-one million, two hundred seventy-two thousand, seven hundred ninety-nine".