838375715 has 4 divisors (see below), whose sum is σ = 1006050864. Its totient is φ = 670700568.

The previous prime is 838375697. The next prime is 838375717. The reversal of 838375715 is 517573838.

838375715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 517573838 = 2 ⋅258786919.

It is a cyclic number.

It is not a de Polignac number, because 838375715 - 2⁶ = 838375651 is a prime.

It is a super-2 number, since 2×838375715² = 1405747679003522450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 838375715.

It is not an unprimeable number, because it can be changed into a prime (838375717) 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, 83837567 + ... + 83837576.

It is an arithmetic number, because the mean of its divisors is an integer number (251512716).

Almost surely, 2^838375715 is an apocalyptic number.

838375715 is a deficient number, since it is larger than the sum of its proper divisors (167675149).

838375715 is a wasteful number, since it uses less digits than its factorization.

838375715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167675148.

The product of its digits is 705600, while the sum is 47.

The square root of 838375715 is about 28954.7183547000. The cubic root of 838375715 is about 942.9302385993.

The spelling of 838375715 in words is "eight hundred thirty-eight million, three hundred seventy-five thousand, seven hundred fifteen".