428254580707 has 2 divisors, whose sum is σ = 428254580708. Its totient is φ = 428254580706.

The previous prime is 428254580641. The next prime is 428254580753. The reversal of 428254580707 is 707085452824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428254580707 - 2³⁵ = 393894842339 is a prime.

It is not a weakly prime, because it can be changed into another prime (428254581707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214127290353 + 214127290354.

It is an arithmetic number, because the mean of its divisors is an integer number (214127290354).

Almost surely, 2^428254580707 is an apocalyptic number.

428254580707 is a deficient number, since it is larger than the sum of its proper divisors (1).

428254580707 is an equidigital number, since it uses as much as digits as its factorization.

428254580707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5017600, while the sum is 52.

The spelling of 428254580707 in words is "four hundred twenty-eight billion, two hundred fifty-four million, five hundred eighty thousand, seven hundred seven".