427240711 has 2 divisors, whose sum is σ = 427240712. Its totient is φ = 427240710.

The previous prime is 427240687. The next prime is 427240727. The reversal of 427240711 is 117042724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427240711 - 2⁵ = 427240679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427240711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427240741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213620355 + 213620356.

It is an arithmetic number, because the mean of its divisors is an integer number (213620356).

Almost surely, 2^427240711 is an apocalyptic number.

427240711 is a deficient number, since it is larger than the sum of its proper divisors (1).

427240711 is an equidigital number, since it uses as much as digits as its factorization.

427240711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 427240711 is about 20669.8019100329. The cubic root of 427240711 is about 753.1662945534.

The spelling of 427240711 in words is "four hundred twenty-seven million, two hundred forty thousand, seven hundred eleven".