2344556778 has 16 divisors (see below), whose sum is σ = 4689998976. Its totient is φ = 781371360.

The previous prime is 2344556759. The next prime is 2344556783. The reversal of 2344556778 is 8776554432.

It is a happy number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2344556778.

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, 438 + ... + 68478.

It is an arithmetic number, because the mean of its divisors is an integer number (293124936).

Almost surely, 2^2344556778 is an apocalyptic number.

2344556778 is an abundant number, since it is smaller than the sum of its proper divisors (2345442198).

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

2344556778 is a wasteful number, since it uses less digits than its factorization.

2344556778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73789.

The product of its digits is 5644800, while the sum is 51.

The square root of 2344556778 is about 48420.6234780181. The cubic root of 2344556778 is about 1328.4756081365.

The spelling of 2344556778 in words is "two billion, three hundred forty-four million, five hundred fifty-six thousand, seven hundred seventy-eight".