2004786997 has 4 divisors (see below), whose sum is σ = 2015283456. Its totient is φ = 1994290540.

The previous prime is 2004786991. The next prime is 2004787013. The reversal of 2004786997 is 7996874002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2004786997 - 2¹⁵ = 2004754229 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 (2004786991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5247943 + ... + 5248324.

It is an arithmetic number, because the mean of its divisors is an integer number (503820864).

Almost surely, 2^2004786997 is an apocalyptic number.

It is an amenable number.

2004786997 is a deficient number, since it is larger than the sum of its proper divisors (10496459).

2004786997 is a wasteful number, since it uses less digits than its factorization.

2004786997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10496458.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 2004786997 is about 44774.8478166035. The cubic root of 2004786997 is about 1260.9254553540.

The spelling of 2004786997 in words is "two billion, four million, seven hundred eighty-six thousand, nine hundred ninety-seven".