8378313355 has 4 divisors (see below), whose sum is σ = 10053976032. Its totient is φ = 6702650680.

The previous prime is 8378313343. The next prime is 8378313367. The reversal of 8378313355 is 5533138738.

8378313355 is digitally balanced in base 3, 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.

It is an interprime number because it is at equal distance from previous prime (8378313343) and next prime (8378313367).

It is not a de Polignac number, because 8378313355 - 2¹³ = 8378305163 is a prime.

It is a super-2 number, since 2×8378313355² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837831331 + ... + 837831340.

It is an arithmetic number, because the mean of its divisors is an integer number (2513494008).

Almost surely, 2^8378313355 is an apocalyptic number.

8378313355 is a deficient number, since it is larger than the sum of its proper divisors (1675662677).

8378313355 is a wasteful number, since it uses less digits than its factorization.

8378313355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675662676.

The product of its digits is 907200, while the sum is 46.

The square root of 8378313355 is about 91533.1270906878. The cubic root of 8378313355 is about 2031.0418228877.

The spelling of 8378313355 in words is "eight billion, three hundred seventy-eight million, three hundred thirteen thousand, three hundred fifty-five".