823469697 has 6 divisors (see below), whose sum is σ = 1189456242. Its totient is φ = 548979792.

The previous prime is 823469641. The next prime is 823469701. The reversal of 823469697 is 796964328.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 793886976 + 29582721 = 28176^2 + 5439^2 .

It is not a de Polignac number, because 823469697 - 2¹⁴ = 823453313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (823469197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45748308 + ... + 45748325.

It is an arithmetic number, because the mean of its divisors is an integer number (198242707).

Almost surely, 2^823469697 is an apocalyptic number.

It is an amenable number.

823469697 is a deficient number, since it is larger than the sum of its proper divisors (365986545).

823469697 is a wasteful number, since it uses less digits than its factorization.

823469697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91496639 (or 91496636 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 823469697 is about 28696.1617119781. The cubic root of 823469697 is about 937.3084681793.

The spelling of 823469697 in words is "eight hundred twenty-three million, four hundred sixty-nine thousand, six hundred ninety-seven".