7948470077 has 2 divisors, whose sum is σ = 7948470078. Its totient is φ = 7948470076.

The previous prime is 7948470053. The next prime is 7948470109. The reversal of 7948470077 is 7700748497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7294184836 + 654285241 = 85406^2 + 25579^2 .

It is a cyclic number.

It is not a de Polignac number, because 7948470077 - 2¹⁴ = 7948453693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7948470877) 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, 3974235038 + 3974235039.

It is an arithmetic number, because the mean of its divisors is an integer number (3974235039).

Almost surely, 2^7948470077 is an apocalyptic number.

It is an amenable number.

7948470077 is a deficient number, since it is larger than the sum of its proper divisors (1).

7948470077 is an equidigital number, since it uses as much as digits as its factorization.

7948470077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2765952, while the sum is 53.

The square root of 7948470077 is about 89154.1927056714. The cubic root of 7948470077 is about 1995.6965867084.

The spelling of 7948470077 in words is "seven billion, nine hundred forty-eight million, four hundred seventy thousand, seventy-seven".