38257234187 has 4 divisors (see below), whose sum is σ = 38270192520. Its totient is φ = 38244275856.

The previous prime is 38257234151. The next prime is 38257234201. The reversal of 38257234187 is 78143275283.

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 38257234187 - 2¹² = 38257230091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38257234087) 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, 6474737 + ... + 6480642.

It is an arithmetic number, because the mean of its divisors is an integer number (9567548130).

Almost surely, 2^38257234187 is an apocalyptic number.

38257234187 is a deficient number, since it is larger than the sum of its proper divisors (12958333).

38257234187 is a wasteful number, since it uses less digits than its factorization.

38257234187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12958332.

The product of its digits is 2257920, while the sum is 50.

The spelling of 38257234187 in words is "thirty-eight billion, two hundred fifty-seven million, two hundred thirty-four thousand, one hundred eighty-seven".