7882740422 has 4 divisors (see below), whose sum is σ = 11824110636. Its totient is φ = 3941370210.

The previous prime is 7882740361. The next prime is 7882740427. The reversal of 7882740422 is 2240472887.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2240472887 = 23981 ⋅93427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7882740427) by changing a digit.

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 as a sum of consecutive naturals, namely, 1970685104 + ... + 1970685107.

It is an arithmetic number, because the mean of its divisors is an integer number (2956027659).

Almost surely, 2^7882740422 is an apocalyptic number.

7882740422 is a deficient number, since it is larger than the sum of its proper divisors (3941370214).

7882740422 is a wasteful number, since it uses less digits than its factorization.

7882740422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941370213.

The product of its (nonzero) digits is 401408, while the sum is 44.

The square root of 7882740422 is about 88784.7983722439. The cubic root of 7882740422 is about 1990.1802335012.

The spelling of 7882740422 in words is "seven billion, eight hundred eighty-two million, seven hundred forty thousand, four hundred twenty-two".