7820348609880 has 192 divisors, whose sum is σ = 26131500158400. Its totient is φ = 2026852346880.

The previous prime is 7820348609863. The next prime is 7820348609897. The reversal of 7820348609880 is 889068430287.

7820348609880 is a `hidden beast` number, since 78 + 2 + 0 + 3 + 486 + 0 + 9 + 8 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (7820348609863) and next prime (7820348609897).

It is a super-2 number, since 2×7820348609880² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11921650 + ... + 12560510.

It is an arithmetic number, because the mean of its divisors is an integer number (136101563325).

Almost surely, 2^{7820348609880} 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 7820348609880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13065750079200).

7820348609880 is an abundant number, since it is smaller than the sum of its proper divisors (18311151548520).

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

7820348609880 is a wasteful number, since it uses less digits than its factorization.

7820348609880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639834 (or 639827 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 7820348609880 in words is "seven trillion, eight hundred twenty billion, three hundred forty-eight million, six hundred nine thousand, eight hundred eighty".