38886390955 has 4 divisors (see below), whose sum is σ = 46663669152. Its totient is φ = 31109112760.

The previous prime is 38886390931. The next prime is 38886390989. The reversal of 38886390955 is 55909368883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55909368883 = 43 ⋅1300217881.

It is not a de Polignac number, because 38886390955 - 2⁵ = 38886390923 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3888639091 + ... + 3888639100.

It is an arithmetic number, because the mean of its divisors is an integer number (11665917288).

Almost surely, 2^38886390955 is an apocalyptic number.

38886390955 is a deficient number, since it is larger than the sum of its proper divisors (7777278197).

38886390955 is an equidigital number, since it uses as much as digits as its factorization.

38886390955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777278196.

The product of its (nonzero) digits is 55987200, while the sum is 64.

The spelling of 38886390955 in words is "thirty-eight billion, eight hundred eighty-six million, three hundred ninety thousand, nine hundred fifty-five".