428712701 has 2 divisors, whose sum is σ = 428712702. Its totient is φ = 428712700.

The previous prime is 428712659. The next prime is 428712719. The reversal of 428712701 is 107217824.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362940601 + 65772100 = 19051^2 + 8110^2 .

It is a cyclic number.

It is not a de Polignac number, because 428712701 - 2²² = 424518397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428712761) 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, 214356350 + 214356351.

It is an arithmetic number, because the mean of its divisors is an integer number (214356351).

Almost surely, 2^428712701 is an apocalyptic number.

It is an amenable number.

428712701 is a deficient number, since it is larger than the sum of its proper divisors (1).

428712701 is an equidigital number, since it uses as much as digits as its factorization.

428712701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 428712701 is about 20705.3785524438. The cubic root of 428712701 is about 754.0302746840.

The spelling of 428712701 in words is "four hundred twenty-eight million, seven hundred twelve thousand, seven hundred one".