7979548847616 has 800 divisors, whose sum is σ = 25383714385920. Its totient is φ = 2491206451200.

The previous prime is 7979548847609. The next prime is 7979548847623. The reversal of 7979548847616 is 6167488459797.

7979548847616 is a `hidden beast` number, since 7 + 9 + 7 + 9 + 54 + 88 + 476 + 16 = 666.

It is an interprime number because it is at equal distance from previous prime (7979548847609) and next prime (7979548847623).

It is a super-2 number, since 2×7979548847616² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

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 79 ways as a sum of consecutive naturals, for example, 12891031755 + ... + 12891032373.

Almost surely, 2^{7979548847616} 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 7979548847616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12691857192960).

7979548847616 is an abundant number, since it is smaller than the sum of its proper divisors (17404165538304).

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

7979548847616 is a wasteful number, since it uses less digits than its factorization.

7979548847616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 963 counting only the distinct ones).

The product of its digits is 5120962560, while the sum is 81.

The spelling of 7979548847616 in words is "seven trillion, nine hundred seventy-nine billion, five hundred forty-eight million, eight hundred forty-seven thousand, six hundred sixteen".