7897452547988 has 48 divisors (see below), whose sum is σ = 14433160089600. Its totient is φ = 3778680228960.

The previous prime is 7897452547987. The next prime is 7897452548021. The reversal of 7897452547988 is 8897452547987.

It is a Smith number, since the sum of its digits (83) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7897452547987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1659320 + ... + 4306767.

It is an arithmetic number, because the mean of its divisors is an integer number (300690835200).

Almost surely, 2^{7897452547988} is an apocalyptic number.

It is an amenable number.

7897452547988 is a deficient number, since it is larger than the sum of its proper divisors (6535707541612).

7897452547988 is a wasteful number, since it uses less digits than its factorization.

7897452547988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5966300 (or 5966298 counting only the distinct ones).

The product of its digits is 11379916800, while the sum is 83.

Subtracting 7897452547988 from its reverse (8897452547987), we obtain a palindrome (999999999999).

The spelling of 7897452547988 in words is "seven trillion, eight hundred ninety-seven billion, four hundred fifty-two million, five hundred forty-seven thousand, nine hundred eighty-eight".