427653407 has 2 divisors, whose sum is σ = 427653408. Its totient is φ = 427653406.

The previous prime is 427653389. The next prime is 427653419. The reversal of 427653407 is 704356724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427653407 - 2²⁰ = 426604831 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427653907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213826703 + 213826704.

It is an arithmetic number, because the mean of its divisors is an integer number (213826704).

Almost surely, 2^427653407 is an apocalyptic number.

427653407 is a deficient number, since it is larger than the sum of its proper divisors (1).

427653407 is an equidigital number, since it uses as much as digits as its factorization.

427653407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 427653407 is about 20679.7825665552. The cubic root of 427653407 is about 753.4087251711.

The spelling of 427653407 in words is "four hundred twenty-seven million, six hundred fifty-three thousand, four hundred seven".