838796388387 has 4 divisors (see below), whose sum is σ = 1118395184520. Its totient is φ = 559197592256.

The previous prime is 838796388361. The next prime is 838796388421. The reversal of 838796388387 is 783883697838.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 838796388387 - 2¹² = 838796384291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (838796388307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139799398062 + ... + 139799398067.

It is an arithmetic number, because the mean of its divisors is an integer number (279598796130).

Almost surely, 2^838796388387 is an apocalyptic number.

838796388387 is a deficient number, since it is larger than the sum of its proper divisors (279598796133).

838796388387 is a wasteful number, since it uses less digits than its factorization.

838796388387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279598796132.

The product of its digits is 2341011456, while the sum is 78.

The spelling of 838796388387 in words is "eight hundred thirty-eight billion, seven hundred ninety-six million, three hundred eighty-eight thousand, three hundred eighty-seven".