38133779 has 8 divisors (see below), whose sum is σ = 40995840. Its totient is φ = 35357256.

The previous prime is 38133763. The next prime is 38133803. The reversal of 38133779 is 97733183.

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

It is a cyclic number.

It is not a de Polignac number, because 38133779 - 2⁴ = 38133763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38133749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20459 + ... + 22244.

It is an arithmetic number, because the mean of its divisors is an integer number (5124480).

Almost surely, 2^38133779 is an apocalyptic number.

38133779 is a deficient number, since it is larger than the sum of its proper divisors (2862061).

38133779 is a wasteful number, since it uses less digits than its factorization.

38133779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42769.

The product of its digits is 95256, while the sum is 41.

The square root of 38133779 is about 6175.2553793345. The cubic root of 38133779 is about 336.5916064189.

The spelling of 38133779 in words is "thirty-eight million, one hundred thirty-three thousand, seven hundred seventy-nine".