38793128791 has 8 divisors (see below), whose sum is σ = 39432351168. Its totient is φ = 38154012000.

The previous prime is 38793128753. The next prime is 38793128821. The reversal of 38793128791 is 19782139783.

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 38793128791 - 2⁷ = 38793128663 is a prime.

It is a super-2 number, since 2×38793128791² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38793128701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121901 + ... + 1155961.

It is an arithmetic number, because the mean of its divisors is an integer number (4929043896).

Almost surely, 2^38793128791 is an apocalyptic number.

38793128791 is a deficient number, since it is larger than the sum of its proper divisors (639222377).

38793128791 is a wasteful number, since it uses less digits than its factorization.

38793128791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52793.

The product of its digits is 4572288, while the sum is 58.

The spelling of 38793128791 in words is "thirty-eight billion, seven hundred ninety-three million, one hundred twenty-eight thousand, seven hundred ninety-one".