4277427397 has 2 divisors, whose sum is σ = 4277427398. Its totient is φ = 4277427396.

The previous prime is 4277427391. The next prime is 4277427449. The reversal of 4277427397 is 7937247724.

It is a happy number.

4277427397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (4277427449) can be obtained adding 4277427397 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4068653796 + 208773601 = 63786^2 + 14449^2 .

It is a cyclic number.

It is not a de Polignac number, because 4277427397 - 2³ = 4277427389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4277427391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2138713698 + 2138713699.

It is an arithmetic number, because the mean of its divisors is an integer number (2138713699).

Almost surely, 2^4277427397 is an apocalyptic number.

It is an amenable number.

4277427397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4277427397 is an equidigital number, since it uses as much as digits as its factorization.

4277427397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4148928, while the sum is 52.

The square root of 4277427397 is about 65402.0442876215. The cubic root of 4277427397 is about 1623.2829069597.

The spelling of 4277427397 in words is "four billion, two hundred seventy-seven million, four hundred twenty-seven thousand, three hundred ninety-seven".