854788469 has 2 divisors, whose sum is σ = 854788470. Its totient is φ = 854788468.

The previous prime is 854788447. The next prime is 854788481. The reversal of 854788469 is 964887458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 774954244 + 79834225 = 27838^2 + 8935^2 .

It is a cyclic number.

It is not a de Polignac number, because 854788469 - 2¹⁶ = 854722933 is a prime.

It is a super-2 number, since 2×854788469² = 1461326653470727922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854788489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427394234 + 427394235.

It is an arithmetic number, because the mean of its divisors is an integer number (427394235).

Almost surely, 2^854788469 is an apocalyptic number.

It is an amenable number.

854788469 is a deficient number, since it is larger than the sum of its proper divisors (1).

854788469 is an equidigital number, since it uses as much as digits as its factorization.

854788469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15482880, while the sum is 59.

The square root of 854788469 is about 29236.7657068972. The cubic root of 854788469 is about 949.0437169397.

The spelling of 854788469 in words is "eight hundred fifty-four million, seven hundred eighty-eight thousand, four hundred sixty-nine".