2409075978 has 8 divisors (see below), whose sum is σ = 4818151968. Its totient is φ = 803025324.

The previous prime is 2409075947. The next prime is 2409076009. The reversal of 2409075978 is 8795709042.

2409075978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2409075947) and next prime (2409076009).

It is a sphenic number, since it is the product of 3 distinct primes.

2409075978 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2409075978.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200756326 + ... + 200756337.

It is an arithmetic number, because the mean of its divisors is an integer number (602268996).

Almost surely, 2^2409075978 is an apocalyptic number.

2409075978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2409075978 is a wasteful number, since it uses less digits than its factorization.

2409075978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401512668.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The square root of 2409075978 is about 49082.3387584577. The cubic root of 2409075978 is about 1340.5514879323.

The spelling of 2409075978 in words is "two billion, four hundred nine million, seventy-five thousand, nine hundred seventy-eight".