872298092961 has 9 divisors (see below), whose sum is σ = 1259990181489. Its totient is φ = 581530194036.

The previous prime is 872298092927. The next prime is 872298092977. The reversal of 872298092961 is 169290892278.

It is a happy number.

The square root of 872298092961 is 933969.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 872298092961 - 2⁷ = 872298092833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (872298592961) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2646246 + ... + 2957568.

Almost surely, 2^872298092961 is an apocalyptic number.

872298092961 is the 933969-th square number.

872298092961 is the 466985-th centered octagonal number.

It is an amenable number.

872298092961 is a deficient number, since it is larger than the sum of its proper divisors (387692088528).

872298092961 is an frugal number, since it uses more digits than its factorization.

872298092961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622652 (or 311326 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 872298092961 in words is "eight hundred seventy-two billion, two hundred ninety-eight million, ninety-two thousand, nine hundred sixty-one".