2378756530 has 8 divisors (see below), whose sum is σ = 4281761772. Its totient is φ = 951502608.

The previous prime is 2378756521. The next prime is 2378756537. The reversal of 2378756530 is 356578732.

2378756530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2148415201 + 230341329 = 46351^2 + 15177^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2378756537) 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, 118937817 + ... + 118937836.

Almost surely, 2^2378756530 is an apocalyptic number.

2378756530 is a deficient number, since it is larger than the sum of its proper divisors (1903005242).

2378756530 is a wasteful number, since it uses less digits than its factorization.

2378756530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237875660.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The square root of 2378756530 is about 48772.4976805576. The cubic root of 2378756530 is about 1334.9038875571.

The spelling of 2378756530 in words is "two billion, three hundred seventy-eight million, seven hundred fifty-six thousand, five hundred thirty".