38178422893 has 8 divisors (see below), whose sum is σ = 41117696928. Its totient is φ = 35239502064.

The previous prime is 38178422873. The next prime is 38178422929. The reversal of 38178422893 is 39822487183.

It is a happy number.

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

It is not a de Polignac number, because 38178422893 - 2⁵ = 38178422861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38178422873) 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, 162630 + ... + 320632.

It is an arithmetic number, because the mean of its divisors is an integer number (5139712116).

Almost surely, 2^38178422893 is an apocalyptic number.

It is an amenable number.

38178422893 is a deficient number, since it is larger than the sum of its proper divisors (2939274035).

38178422893 is a wasteful number, since it uses less digits than its factorization.

38178422893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176603.

The product of its digits is 4644864, while the sum is 55.

The spelling of 38178422893 in words is "thirty-eight billion, one hundred seventy-eight million, four hundred twenty-two thousand, eight hundred ninety-three".