38784203881 has 8 divisors (see below), whose sum is σ = 40691625728. Its totient is φ = 36917802000.

The previous prime is 38784203851. The next prime is 38784203893. The reversal of 38784203881 is 18830248783.

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 38784203881 - 2²⁷ = 38649986153 is a prime.

It is a super-2 number, since 2×38784203881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38784203851) 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, 10253055 + ... + 10256836.

It is an arithmetic number, because the mean of its divisors is an integer number (5086453216).

Almost surely, 2^38784203881 is an apocalyptic number.

38784203881 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

38784203881 is a deficient number, since it is larger than the sum of its proper divisors (1907421847).

38784203881 is a wasteful number, since it uses less digits than its factorization.

38784203881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20509983.

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 38784203881 in words is "thirty-eight billion, seven hundred eighty-four million, two hundred three thousand, eight hundred eighty-one".