38888850345921 has 96 divisors (see below), whose sum is σ = 60199785824256. Its totient is φ = 24106299840000.

The previous prime is 38888850345881. The next prime is 38888850345923. The reversal of 38888850345921 is 12954305888883.

It is a happy number.

38888850345921 is a `hidden beast` number, since 38 + 8 + 8 + 88 + 503 + 4 + 5 + 9 + 2 + 1 = 666.

It is not a de Polignac number, because 38888850345921 - 2⁹ = 38888850345409 is a prime.

It is a super-2 number, since 2×38888850345921² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38888850345921.

It is not an unprimeable number, because it can be changed into a prime (38888850345923) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9803086080 + ... + 9803090046.

It is an arithmetic number, because the mean of its divisors is an integer number (627081102336).

Almost surely, 2^{38888850345921} is an apocalyptic number.

It is an amenable number.

38888850345921 is a deficient number, since it is larger than the sum of its proper divisors (21310935478335).

38888850345921 is a wasteful number, since it uses less digits than its factorization.

38888850345921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6363 (or 6360 counting only the distinct ones).

The product of its (nonzero) digits is 530841600, while the sum is 72.

The spelling of 38888850345921 in words is "thirty-eight trillion, eight hundred eighty-eight billion, eight hundred fifty million, three hundred forty-five thousand, nine hundred twenty-one".