961323725627751 has 8 divisors (see below), whose sum is σ = 1286871600841344. Its totient is φ = 638329167083000.

The previous prime is 961323725627737. The next prime is 961323725627779. The reversal of 961323725627751 is 157726527323169.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 961323725627751 - 2¹⁷ = 961323725496679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961323725627651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638329166331 + ... + 638329167836.

It is an arithmetic number, because the mean of its divisors is an integer number (160858950105168).

Almost surely, 2^{961323725627751} is an apocalyptic number.

961323725627751 is a deficient number, since it is larger than the sum of its proper divisors (325547875213593).

961323725627751 is a wasteful number, since it uses less digits than its factorization.

961323725627751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276658334421.

The product of its digits is 200037600, while the sum is 66.

The spelling of 961323725627751 in words is "nine hundred sixty-one trillion, three hundred twenty-three billion, seven hundred twenty-five million, six hundred twenty-seven thousand, seven hundred fifty-one".