38798779 has 6 divisors (see below), whose sum is σ = 40869420. Its totient is φ = 36731016.

The previous prime is 38798759. The next prime is 38798789. The reversal of 38798779 is 97789783.

It is a happy number.

It is not a de Polignac number, because 38798779 - 2⁷ = 38798651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38798719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26437 + ... + 27865.

It is an arithmetic number, because the mean of its divisors is an integer number (6811570).

Almost surely, 2^38798779 is an apocalyptic number.

38798779 is a deficient number, since it is larger than the sum of its proper divisors (2070641).

38798779 is an frugal number, since it uses more digits than its factorization.

38798779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877 (or 1448 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 58.

The square root of 38798779 is about 6228.8665903196. The cubic root of 38798779 is about 338.5369050525.

The spelling of 38798779 in words is "thirty-eight million, seven hundred ninety-eight thousand, seven hundred seventy-nine".