788356469 has 2 divisors, whose sum is σ = 788356470. Its totient is φ = 788356468.

The previous prime is 788356411. The next prime is 788356477. The reversal of 788356469 is 964653887.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 507961444 + 280395025 = 22538^2 + 16745^2 .

It is an emirp because it is prime and its reverse (964653887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 788356469 - 2²⁴ = 771579253 is a prime.

It is a super-2 number, since 2×788356469² = 1243011844428295922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (788356489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394178234 + 394178235.

It is an arithmetic number, because the mean of its divisors is an integer number (394178235).

Almost surely, 2^788356469 is an apocalyptic number.

It is an amenable number.

788356469 is a deficient number, since it is larger than the sum of its proper divisors (1).

788356469 is an equidigital number, since it uses as much as digits as its factorization.

788356469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 56.

The square root of 788356469 is about 28077.6863184985. The cubic root of 788356469 is about 923.7920317577.

The spelling of 788356469 in words is "seven hundred eighty-eight million, three hundred fifty-six thousand, four hundred sixty-nine".