7842820280227 has 4 divisors (see below), whose sum is σ = 7871760576736. Its totient is φ = 7813879983720.

The previous prime is 7842820280203. The next prime is 7842820280233. The reversal of 7842820280227 is 7220820282487.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7842820280227 - 2¹⁵ = 7842820247459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7842820280027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14470147848 + ... + 14470148389.

It is an arithmetic number, because the mean of its divisors is an integer number (1967940144184).

Almost surely, 2^{7842820280227} is an apocalyptic number.

7842820280227 is a deficient number, since it is larger than the sum of its proper divisors (28940296509).

7842820280227 is a wasteful number, since it uses less digits than its factorization.

7842820280227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28940296508.

The product of its (nonzero) digits is 3211264, while the sum is 52.

The spelling of 7842820280227 in words is "seven trillion, eight hundred forty-two billion, eight hundred twenty million, two hundred eighty thousand, two hundred twenty-seven".