7882740427 has 2 divisors, whose sum is σ = 7882740428. Its totient is φ = 7882740426.

The previous prime is 7882740361. The next prime is 7882740461. The reversal of 7882740427 is 7240472887.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7882740427 - 2¹¹ = 7882738379 is a prime.

It is not a weakly prime, because it can be changed into another prime (7882740487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3941370213 + 3941370214.

It is an arithmetic number, because the mean of its divisors is an integer number (3941370214).

Almost surely, 2^7882740427 is an apocalyptic number.

7882740427 is a deficient number, since it is larger than the sum of its proper divisors (1).

7882740427 is an equidigital number, since it uses as much as digits as its factorization.

7882740427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1404928, while the sum is 49.

The square root of 7882740427 is about 88784.7984004019. The cubic root of 7882740427 is about 1990.1802339220.

The spelling of 7882740427 in words is "seven billion, eight hundred eighty-two million, seven hundred forty thousand, four hundred twenty-seven".