804906079 has 2 divisors, whose sum is σ = 804906080. Its totient is φ = 804906078.

The previous prime is 804906077. The next prime is 804906083. The reversal of 804906079 is 970609408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 804906079 - 2¹ = 804906077 is a prime.

It is a super-2 number, since 2×804906079² = 1295747592022308482, which contains 22 as substring.

Together with 804906077, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804906073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402453039 + 402453040.

It is an arithmetic number, because the mean of its divisors is an integer number (402453040).

Almost surely, 2^804906079 is an apocalyptic number.

804906079 is a deficient number, since it is larger than the sum of its proper divisors (1).

804906079 is an equidigital number, since it uses as much as digits as its factorization.

804906079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 804906079 is about 28370.8667297987. The cubic root of 804906079 is about 930.2115674675.

The spelling of 804906079 in words is "eight hundred four million, nine hundred six thousand, seventy-nine".