38572770233 has 4 divisors (see below), whose sum is σ = 39393467520. Its totient is φ = 37752072948.

The previous prime is 38572770217. The next prime is 38572770251. The reversal of 38572770233 is 33207727583.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33207727583 = 71 ⋅467714473.

It is a cyclic number.

It is not a de Polignac number, because 38572770233 - 2⁴ = 38572770217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 820697239 = 38572770233 / (3 + 8 + 5 + 7 + 2 + 7 + 7 + 0 + 2 + 3 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38572770293) 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, 410348573 + ... + 410348666.

It is an arithmetic number, because the mean of its divisors is an integer number (9848366880).

Almost surely, 2^38572770233 is an apocalyptic number.

It is an amenable number.

38572770233 is a deficient number, since it is larger than the sum of its proper divisors (820697287).

38572770233 is an equidigital number, since it uses as much as digits as its factorization.

38572770233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820697286.

The product of its (nonzero) digits is 1481760, while the sum is 47.

The spelling of 38572770233 in words is "thirty-eight billion, five hundred seventy-two million, seven hundred seventy thousand, two hundred thirty-three".