7821915462360 has 256 divisors, whose sum is σ = 27305120304000. Its totient is φ = 2013917810688.

The previous prime is 7821915462359. The next prime is 7821915462373. The reversal of 7821915462360 is 632645191287.

It is a happy number.

7821915462360 is a `hidden beast` number, since 7 + 8 + 2 + 1 + 9 + 1 + 5 + 4 + 623 + 6 + 0 = 666.

It is a super-2 number, since 2×7821915462360² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 7821915462297 and 7821915462306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 995304 + ... + 4078536.

It is a 2-persistent number, because it is pandigital, and so is 2⋅7821915462360 = 15643830924720, but 3⋅7821915462360 = 23465746387080 is not.

Almost surely, 2^{7821915462360} 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 7821915462360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13652560152000).

7821915462360 is an abundant number, since it is smaller than the sum of its proper divisors (19483204841640).

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

7821915462360 is a wasteful number, since it uses less digits than its factorization.

7821915462360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083294 (or 3083272 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 7821915462360 in words is "seven trillion, eight hundred twenty-one billion, nine hundred fifteen million, four hundred sixty-two thousand, three hundred sixty".