38803878169 has 27 divisors (see below), whose sum is σ = 45738919317. Its totient is φ = 32824337784.

The previous prime is 38803878119. The next prime is 38803878193. The reversal of 38803878169 is 96187830883.

The square root of 38803878169 is 196987.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 38803878169 - 2⁷ = 38803878041 is a prime.

It is a super-2 number, since 2×38803878169² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38803878109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 147543132 + ... + 147543394.

Almost surely, 2^38803878169 is an apocalyptic number.

38803878169 is the 196987-th square number.

38803878169 is the 98494-th centered octagonal number.

It is an amenable number.

38803878169 is a deficient number, since it is larger than the sum of its proper divisors (6935041148).

38803878169 is an frugal number, since it uses more digits than its factorization.

38803878169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 61.

The spelling of 38803878169 in words is "thirty-eight billion, eight hundred three million, eight hundred seventy-eight thousand, one hundred sixty-nine".