7860221796 has 192 divisors, whose sum is σ = 23489464320. Its totient is φ = 1991485440.

The previous prime is 7860221753. The next prime is 7860221797. The reversal of 7860221796 is 6971220687.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7860221797) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5724166 + ... + 5725538.

It is an arithmetic number, because the mean of its divisors is an integer number (122340960).

Almost surely, 2^7860221796 is an apocalyptic number.

7860221796 is a gapful number since it is divisible by the number (76) 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 7860221796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11744732160).

7860221796 is an abundant number, since it is smaller than the sum of its proper divisors (15629242524).

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

7860221796 is a wasteful number, since it uses less digits than its factorization.

7860221796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 7860221796 is about 88657.8918991423. The cubic root of 7860221796 is about 1988.2833099603.

The spelling of 7860221796 in words is "seven billion, eight hundred sixty million, two hundred twenty-one thousand, seven hundred ninety-six".