7899227844480 has 2304 divisors, whose sum is σ = 36411919200000. Its totient is φ = 1608943730688.

The previous prime is 7899227844467. The next prime is 7899227844503. The reversal of 7899227844480 is 844487229987.

7899227844480 is a `hidden beast` number, since 7 + 8 + 99 + 22 + 78 + 4 + 448 + 0 = 666.

It is a super-3 number, since 3×7899227844480³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 7899227844399 and 7899227844408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 4649338671 + ... + 4649340369.

It is an arithmetic number, because the mean of its divisors is an integer number (15803784375).

Almost surely, 2^{7899227844480} is an apocalyptic number.

7899227844480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7899227844480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18205959600000).

7899227844480 is an abundant number, since it is smaller than the sum of its proper divisors (28512691355520).

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

7899227844480 is a wasteful number, since it uses less digits than its factorization.

7899227844480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 520224768, while the sum is 72.

The spelling of 7899227844480 in words is "seven trillion, eight hundred ninety-nine billion, two hundred twenty-seven million, eight hundred forty-four thousand, four hundred eighty".