2306778208 has 48 divisors (see below), whose sum is σ = 5194705824. Its totient is φ = 987770880.

The previous prime is 2306778193. The next prime is 2306778223. The reversal of 2306778208 is 8028776032.

It is an interprime number because it is at equal distance from previous prime (2306778193) and next prime (2306778223).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305616 + ... + 313072.

It is an arithmetic number, because the mean of its divisors is an integer number (108223038).

Almost surely, 2^2306778208 is an apocalyptic number.

2306778208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2306778208 is an abundant number, since it is smaller than the sum of its proper divisors (2887927616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2306778208 is a wasteful number, since it uses less digits than its factorization.

2306778208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855 (or 8847 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 2306778208 is about 48028.9309479193. The cubic root of 2306778208 is about 1321.3015567335.

The spelling of 2306778208 in words is "two billion, three hundred six million, seven hundred seventy-eight thousand, two hundred eight".