38203857047 has 4 divisors (see below), whose sum is σ = 38205526896. Its totient is φ = 38202187200.

The previous prime is 38203856969. The next prime is 38203857067. The reversal of 38203857047 is 74075830283.

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

It is a cyclic number.

It is not a de Polignac number, because 38203857047 - 2²⁶ = 38136748183 is a prime.

It is a super-2 number, since 2×38203857047² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38203856992 and 38203857010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38203857067) 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, 800123 + ... + 846524.

It is an arithmetic number, because the mean of its divisors is an integer number (9551381724).

Almost surely, 2^38203857047 is an apocalyptic number.

38203857047 is a deficient number, since it is larger than the sum of its proper divisors (1669849).

38203857047 is a wasteful number, since it uses less digits than its factorization.

38203857047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669848.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 38203857047 in words is "thirty-eight billion, two hundred three million, eight hundred fifty-seven thousand, forty-seven".