7998454548997 has 16 divisors (see below), whose sum is σ = 8884805148864. Its totient is φ = 7199328906000.

The previous prime is 7998454548983. The next prime is 7998454549031.

7998454548997 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7998454548997 - 2¹⁵ = 7998454516229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7998454548977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29614863 + ... + 29883724.

It is an arithmetic number, because the mean of its divisors is an integer number (555300321804).

Almost surely, 2^{7998454548997} is an apocalyptic number.

It is an amenable number.

7998454548997 is a deficient number, since it is larger than the sum of its proper divisors (886350599867).

7998454548997 is a wasteful number, since it uses less digits than its factorization.

7998454548997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59498721 (or 59498699 counting only the distinct ones).

The product of its digits is 32920473600, while the sum is 88.

The spelling of 7998454548997 in words is "seven trillion, nine hundred ninety-eight billion, four hundred fifty-four million, five hundred forty-eight thousand, nine hundred ninety-seven".