5471880397 has 2 divisors, whose sum is σ = 5471880398. Its totient is φ = 5471880396.

The previous prime is 5471880371. The next prime is 5471880409. The reversal of 5471880397 is 7930881745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4247650276 + 1224230121 = 65174^2 + 34989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5471880397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5471880317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2735940198 + 2735940199.

It is an arithmetic number, because the mean of its divisors is an integer number (2735940199).

Almost surely, 2^5471880397 is an apocalyptic number.

It is an amenable number.

5471880397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5471880397 is an equidigital number, since it uses as much as digits as its factorization.

5471880397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The square root of 5471880397 is about 73972.1596075172. The cubic root of 5471880397 is about 1762.1607841183.

The spelling of 5471880397 in words is "five billion, four hundred seventy-one million, eight hundred eighty thousand, three hundred ninety-seven".