38820226898897 has 4 divisors (see below), whose sum is σ = 39456624061236. Its totient is φ = 38183829736560.

The previous prime is 38820226898861. The next prime is 38820226898927. The reversal of 38820226898897 is 79889862202883.

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 1008254966161 + 37811971932736 = 1004119^2 + 6149144^2 .

It is a cyclic number.

It is not a de Polignac number, because 38820226898897 - 2¹⁰ = 38820226897873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38820226898197) 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, 318198581078 + ... + 318198581199.

It is an arithmetic number, because the mean of its divisors is an integer number (9864156015309).

Almost surely, 2^{38820226898897} is an apocalyptic number.

It is an amenable number.

38820226898897 is a deficient number, since it is larger than the sum of its proper divisors (636397162339).

38820226898897 is an equidigital number, since it uses as much as digits as its factorization.

38820226898897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636397162338.

The product of its (nonzero) digits is 2675441664, while the sum is 80.

The spelling of 38820226898897 in words is "thirty-eight trillion, eight hundred twenty billion, two hundred twenty-six million, eight hundred ninety-eight thousand, eight hundred ninety-seven".