383858004997 has 4 divisors (see below), whose sum is σ = 383873958796. Its totient is φ = 383842051200.

The previous prime is 383858004991. The next prime is 383858005001. The reversal of 383858004997 is 799400858383.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 315365357476 + 68492647521 = 561574^2 + 261711^2 .

It is a cyclic number.

It is not a de Polignac number, because 383858004997 - 2³ = 383858004989 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 (383858004991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7940754 + ... + 7988947.

It is an arithmetic number, because the mean of its divisors is an integer number (95968489699).

Almost surely, 2^383858004997 is an apocalyptic number.

It is an amenable number.

383858004997 is a deficient number, since it is larger than the sum of its proper divisors (15953799).

383858004997 is a wasteful number, since it uses less digits than its factorization.

383858004997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15953798.

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 383858004997 in words is "three hundred eighty-three billion, eight hundred fifty-eight million, four thousand, nine hundred ninety-seven".