38779055 has 16 divisors (see below), whose sum is σ = 53345280. Its totient is φ = 26510112.

The previous prime is 38779049. The next prime is 38779073. The reversal of 38779055 is 55097783.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38779055 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38778997 and 38779015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11336 + ... + 14354.

It is an arithmetic number, because the mean of its divisors is an integer number (3334080).

Almost surely, 2^38779055 is an apocalyptic number.

38779055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38779055 is a deficient number, since it is larger than the sum of its proper divisors (14566225).

38779055 is a wasteful number, since it uses less digits than its factorization.

38779055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398.

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 38779055 is about 6227.2831154525. The cubic root of 38779055 is about 338.4795283866.

The spelling of 38779055 in words is "thirty-eight million, seven hundred seventy-nine thousand, fifty-five".