38278795389 has 8 divisors (see below), whose sum is σ = 51180563520. Its totient is φ = 25448112096.

The previous prime is 38278795367. The next prime is 38278795403. The reversal of 38278795389 is 98359787283.

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

It is not a de Polignac number, because 38278795389 - 2¹² = 38278791293 is a prime.

It is a super-2 number, since 2×38278795389² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38278793389) 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, 17769952 + ... + 17772105.

It is an arithmetic number, because the mean of its divisors is an integer number (6397570440).

Almost surely, 2^38278795389 is an apocalyptic number.

It is an amenable number.

38278795389 is a deficient number, since it is larger than the sum of its proper divisors (12901768131).

38278795389 is a wasteful number, since it uses less digits than its factorization.

38278795389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35542419.

The product of its digits is 182891520, while the sum is 69.

The spelling of 38278795389 in words is "thirty-eight billion, two hundred seventy-eight million, seven hundred ninety-five thousand, three hundred eighty-nine".