200404263997 has 16 divisors (see below), whose sum is σ = 235537561600. Its totient is φ = 166937146992.

The previous prime is 200404263991. The next prime is 200404264001. The reversal of 200404263997 is 799362404002.

It is not a de Polignac number, because 200404263997 - 2¹⁵ = 200404231229 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 (200404263991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612953 + ... + 1732750.

It is an arithmetic number, because the mean of its divisors is an integer number (14721097600).

Almost surely, 2^200404263997 is an apocalyptic number.

It is an amenable number.

200404263997 is a deficient number, since it is larger than the sum of its proper divisors (35133297603).

200404263997 is a wasteful number, since it uses less digits than its factorization.

200404263997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345952.

The product of its (nonzero) digits is 653184, while the sum is 46.

Adding to 200404263997 its reverse (799362404002), we get a palindrome (999766667999).

The spelling of 200404263997 in words is "two hundred billion, four hundred four million, two hundred sixty-three thousand, nine hundred ninety-seven".