8404706997 has 6 divisors (see below), whose sum is σ = 12140132342. Its totient is φ = 5603137992.

The previous prime is 8404706983. The next prime is 8404707001. The reversal of 8404706997 is 7996074048.

It is a happy number.

8404706997 is a `hidden beast` number, since 84 + 0 + 470 + 6 + 9 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5565309201 + 2839397796 = 74601^2 + 53286^2 .

It is not a de Polignac number, because 8404706997 - 2¹¹ = 8404704949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8404706957) 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, 466928158 + ... + 466928175.

Almost surely, 2^8404706997 is an apocalyptic number.

It is an amenable number.

8404706997 is a deficient number, since it is larger than the sum of its proper divisors (3735425345).

8404706997 is a wasteful number, since it uses less digits than its factorization.

8404706997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933856339 (or 933856336 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 8404706997 is about 91677.1890766727. The cubic root of 8404706997 is about 2033.1723391270.

The spelling of 8404706997 in words is "eight billion, four hundred four million, seven hundred six thousand, nine hundred ninety-seven".