38381607761 has 32 divisors (see below), whose sum is σ = 48913632000. Its totient is φ = 29319155712.

The previous prime is 38381607757. The next prime is 38381607769. The reversal of 38381607761 is 16770618383.

It is not a de Polignac number, because 38381607761 - 2² = 38381607757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38381607769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7660025 + ... + 7665033.

It is an arithmetic number, because the mean of its divisors is an integer number (1528551000).

Almost surely, 2^38381607761 is an apocalyptic number.

It is an amenable number.

38381607761 is a deficient number, since it is larger than the sum of its proper divisors (10532024239).

38381607761 is a wasteful number, since it uses less digits than its factorization.

38381607761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8441.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 38381607761 in words is "thirty-eight billion, three hundred eighty-one million, six hundred seven thousand, seven hundred sixty-one".