426377851 has 2 divisors, whose sum is σ = 426377852. Its totient is φ = 426377850.

The previous prime is 426377827. The next prime is 426377869. The reversal of 426377851 is 158773624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426377851 - 2⁹ = 426377339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426377798 and 426377807.

It is not a weakly prime, because it can be changed into another prime (426377881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213188925 + 213188926.

It is an arithmetic number, because the mean of its divisors is an integer number (213188926).

Almost surely, 2^426377851 is an apocalyptic number.

426377851 is a deficient number, since it is larger than the sum of its proper divisors (1).

426377851 is an equidigital number, since it uses as much as digits as its factorization.

426377851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 426377851 is about 20648.9188821110. The cubic root of 426377851 is about 752.6589185447.

The spelling of 426377851 in words is "four hundred twenty-six million, three hundred seventy-seven thousand, eight hundred fifty-one".