38487220899 has 4 divisors (see below), whose sum is σ = 51316294536. Its totient is φ = 25658147264.

The previous prime is 38487220831. The next prime is 38487220963. The reversal of 38487220899 is 99802278483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99802278483 = 3 ⋅33267426161.

It is a cyclic number.

It is not a de Polignac number, because 38487220899 - 2¹¹ = 38487218851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38487220829) 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, 6414536814 + ... + 6414536819.

It is an arithmetic number, because the mean of its divisors is an integer number (12829073634).

Almost surely, 2^38487220899 is an apocalyptic number.

38487220899 is a deficient number, since it is larger than the sum of its proper divisors (12829073637).

38487220899 is a wasteful number, since it uses less digits than its factorization.

38487220899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12829073636.

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 38487220899 in words is "thirty-eight billion, four hundred eighty-seven million, two hundred twenty thousand, eight hundred ninety-nine".