9880454335761 has 9 divisors (see below), whose sum is σ = 14271780994939. Its totient is φ = 6586963270536.

The previous prime is 9880454335721. The next prime is 9880454335877. The reversal of 9880454335761 is 1675334540889.

The square root of 9880454335761 is 3143319.

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

9880454335761 is a `hidden beast` number, since 9 + 8 + 8 + 0 + 4 + 54 + 3 + 3 + 576 + 1 = 666.

9880454335761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9453318890625 + 427135445136 = 3074625^2 + 653556^2 .

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

It is not a de Polignac number, because 9880454335761 - 2⁹ = 9880454335249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9880454335721) 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, 8906071 + ... + 9953843.

Almost surely, 2^{9880454335761} is an apocalyptic number.

9880454335761 is the 3143319-th square number.

9880454335761 is the 1571660-th centered octagonal number.

It is an amenable number.

9880454335761 is a deficient number, since it is larger than the sum of its proper divisors (4391326659178).

9880454335761 is an frugal number, since it uses more digits than its factorization.

9880454335761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095552 (or 1047776 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 9880454335761 in words is "nine trillion, eight hundred eighty billion, four hundred fifty-four million, three hundred thirty-five thousand, seven hundred sixty-one".