7854354427 has 2 divisors, whose sum is σ = 7854354428. Its totient is φ = 7854354426.

The previous prime is 7854354421. The next prime is 7854354493. The reversal of 7854354427 is 7244534587.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7854354427 - 2²³ = 7845965819 is a prime.

It is not a weakly prime, because it can be changed into another prime (7854354421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3927177213 + 3927177214.

It is an arithmetic number, because the mean of its divisors is an integer number (3927177214).

Almost surely, 2^7854354427 is an apocalyptic number.

7854354427 is a deficient number, since it is larger than the sum of its proper divisors (1).

7854354427 is an equidigital number, since it uses as much as digits as its factorization.

7854354427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3763200, while the sum is 49.

The square root of 7854354427 is about 88624.7957797365. The cubic root of 7854354427 is about 1987.7884598102.

The spelling of 7854354427 in words is "seven billion, eight hundred fifty-four million, three hundred fifty-four thousand, four hundred twenty-seven".