38521227497 has 8 divisors (see below), whose sum is σ = 38590437312. Its totient is φ = 38452080400.

The previous prime is 38521227467. The next prime is 38521227523. The reversal of 38521227497 is 79472212583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38521227497 - 2¹² = 38521223401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38521227467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312847 + ... + 1341867.

It is an arithmetic number, because the mean of its divisors is an integer number (4823804664).

Almost surely, 2^38521227497 is an apocalyptic number.

It is an amenable number.

38521227497 is a deficient number, since it is larger than the sum of its proper divisors (69209815).

38521227497 is a wasteful number, since it uses less digits than its factorization.

38521227497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31359.

The product of its digits is 1693440, while the sum is 50.

The spelling of 38521227497 in words is "thirty-eight billion, five hundred twenty-one million, two hundred twenty-seven thousand, four hundred ninety-seven".