7882479389 has 2 divisors, whose sum is σ = 7882479390. Its totient is φ = 7882479388.

The previous prime is 7882479383. The next prime is 7882479401. The reversal of 7882479389 is 9839742887.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6816979225 + 1065500164 = 82565^2 + 32642^2 .

It is a cyclic number.

It is not a de Polignac number, because 7882479389 - 2²⁸ = 7614043933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7882479383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3941239694 + 3941239695.

It is an arithmetic number, because the mean of its divisors is an integer number (3941239695).

Almost surely, 2^7882479389 is an apocalyptic number.

It is an amenable number.

7882479389 is a deficient number, since it is larger than the sum of its proper divisors (1).

7882479389 is an equidigital number, since it uses as much as digits as its factorization.

7882479389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48771072, while the sum is 65.

The square root of 7882479389 is about 88783.3283280144. The cubic root of 7882479389 is about 1990.1582653182.

The spelling of 7882479389 in words is "seven billion, eight hundred eighty-two million, four hundred seventy-nine thousand, three hundred eighty-nine".