38779164129 has 8 divisors (see below), whose sum is σ = 53102999680. Its totient is φ = 25154052336.

The previous prime is 38779164107. The next prime is 38779164139. The reversal of 38779164129 is 92146197783.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38779164129 - 2⁷ = 38779164001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38779164139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174680809 + ... + 174681030.

It is an arithmetic number, because the mean of its divisors is an integer number (6637874960).

Almost surely, 2^38779164129 is an apocalyptic number.

It is an amenable number.

38779164129 is a deficient number, since it is larger than the sum of its proper divisors (14323835551).

38779164129 is a wasteful number, since it uses less digits than its factorization.

38779164129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349361879.

The product of its digits is 4572288, while the sum is 57.

The spelling of 38779164129 in words is "thirty-eight billion, seven hundred seventy-nine million, one hundred sixty-four thousand, one hundred twenty-nine".