7813600427 has 2 divisors, whose sum is σ = 7813600428. Its totient is φ = 7813600426.

The previous prime is 7813600397. The next prime is 7813600433. The reversal of 7813600427 is 7240063187.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7813600427 - 2¹⁶ = 7813534891 is a prime.

It is a super-2 number, since 2×7813600427² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7813600727) 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, 3906800213 + 3906800214.

It is an arithmetic number, because the mean of its divisors is an integer number (3906800214).

Almost surely, 2^7813600427 is an apocalyptic number.

7813600427 is a deficient number, since it is larger than the sum of its proper divisors (1).

7813600427 is an equidigital number, since it uses as much as digits as its factorization.

7813600427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 7813600427 is about 88394.5723842816. The cubic root of 7813600427 is about 1984.3444742652.

The spelling of 7813600427 in words is "seven billion, eight hundred thirteen million, six hundred thousand, four hundred twenty-seven".