7867222380 has 144 divisors (see below), whose sum is σ = 24472191744. Its totient is φ = 2044667520.

The previous prime is 7867222361. The next prime is 7867222409. The reversal of 7867222380 is 832227687.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5006995 + ... + 5008565.

It is an arithmetic number, because the mean of its divisors is an integer number (169945776).

Almost surely, 2^7867222380 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 7867222380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12236095872).

7867222380 is an abundant number, since it is smaller than the sum of its proper divisors (16604969364).

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

7867222380 is a wasteful number, since it uses less digits than its factorization.

7867222380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276 (or 2271 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 7867222380 is about 88697.3639969080. The cubic root of 7867222380 is about 1988.8734126505.

The spelling of 7867222380 in words is "seven billion, eight hundred sixty-seven million, two hundred twenty-two thousand, three hundred eighty".