7647198397152 has 96 divisors (see below), whose sum is σ = 20198599344000. Its totient is φ = 2533266193920.

The previous prime is 7647198397141. The next prime is 7647198397177. The reversal of 7647198397152 is 2517938917467.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×7647198397152² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 13558474 + ... + 14111222.

It is an arithmetic number, because the mean of its divisors is an integer number (210402076500).

Almost surely, 2^{7647198397152} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7647198397152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10099299672000).

7647198397152 is an abundant number, since it is smaller than the sum of its proper divisors (12551400946848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7647198397152 is a wasteful number, since it uses less digits than its factorization.

7647198397152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553656 (or 553648 counting only the distinct ones).

The product of its digits is 160030080, while the sum is 69.

The spelling of 7647198397152 in words is "seven trillion, six hundred forty-seven billion, one hundred ninety-eight million, three hundred ninety-seven thousand, one hundred fifty-two".