7889249133480 has 256 divisors, whose sum is σ = 29441082182400. Its totient is φ = 1661577707520.

The previous prime is 7889249133439. The next prime is 7889249133541. The reversal of 7889249133480 is 843319429887.

It is a super-2 number, since 2×7889249133480² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 13230235 + ... + 13813674.

It is an arithmetic number, because the mean of its divisors is an integer number (115004227275).

Almost surely, 2^{7889249133480} is an apocalyptic number.

It is an amenable number.

7889249133480 is an abundant number, since it is smaller than the sum of its proper divisors (21551833048920).

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

7889249133480 is a wasteful number, since it uses less digits than its factorization.

7889249133480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27043964 (or 27043960 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 66.

The spelling of 7889249133480 in words is "seven trillion, eight hundred eighty-nine billion, two hundred forty-nine million, one hundred thirty-three thousand, four hundred eighty".