427798079 has 2 divisors, whose sum is σ = 427798080. Its totient is φ = 427798078.

The previous prime is 427798073. The next prime is 427798093. The reversal of 427798079 is 970897724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427798079 - 2⁸ = 427797823 is a prime.

It is a super-2 number, since 2×427798079² = 366022392792180482, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427798079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427798073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213899039 + 213899040.

It is an arithmetic number, because the mean of its divisors is an integer number (213899040).

Almost surely, 2^427798079 is an apocalyptic number.

427798079 is a deficient number, since it is larger than the sum of its proper divisors (1).

427798079 is an equidigital number, since it uses as much as digits as its factorization.

427798079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The square root of 427798079 is about 20683.2801798941. The cubic root of 427798079 is about 753.4936731349.

The spelling of 427798079 in words is "four hundred twenty-seven million, seven hundred ninety-eight thousand, seventy-nine".