9880454567 has 2 divisors, whose sum is σ = 9880454568. Its totient is φ = 9880454566.

The previous prime is 9880454491. The next prime is 9880454569. The reversal of 9880454567 is 7654540889.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7654540889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9880454567 - 2¹⁰ = 9880453543 is a prime.

It is a super-4 number, since 4×9880454567⁴ (a number of 41 digits) contains 4444 as substring.

Together with 9880454569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9880454569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4940227283 + 4940227284.

It is an arithmetic number, because the mean of its divisors is an integer number (4940227284).

Almost surely, 2^9880454567 is an apocalyptic number.

9880454567 is a deficient number, since it is larger than the sum of its proper divisors (1).

9880454567 is an equidigital number, since it uses as much as digits as its factorization.

9880454567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9676800, while the sum is 56.

The square root of 9880454567 is about 99400.4756879966. The cubic root of 9880454567 is about 2145.8151564437.

The spelling of 9880454567 in words is "nine billion, eight hundred eighty million, four hundred fifty-four thousand, five hundred sixty-seven".