788499449 has 6 divisors (see below), whose sum is σ = 832184010. Its totient is φ = 746999136.

The previous prime is 788499427. The next prime is 788499463. The reversal of 788499449 is 944994887.

It can be written as a sum of positive squares in only one way, i.e., 610090000 + 178409449 = 24700^2 + 13357^2 .

It is a de Polignac number, because none of the positive numbers 2^k-788499449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 788499391 and 788499400.

It is not an unprimeable number, because it can be changed into a prime (788499749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1091744 + ... + 1092465.

It is an arithmetic number, because the mean of its divisors is an integer number (138697335).

Almost surely, 2^788499449 is an apocalyptic number.

It is an amenable number.

788499449 is a deficient number, since it is larger than the sum of its proper divisors (43684561).

788499449 is a wasteful number, since it uses less digits than its factorization.

788499449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184247 (or 2184228 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 62.

The square root of 788499449 is about 28080.2323530273. The cubic root of 788499449 is about 923.8478761232.

The spelling of 788499449 in words is "seven hundred eighty-eight million, four hundred ninety-nine thousand, four hundred forty-nine".