2361123778 has 32 divisors (see below), whose sum is σ = 4067642880. Its totient is φ = 1018241280.

The previous prime is 2361123757. The next prime is 2361123833. The reversal of 2361123778 is 8773211632.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2361123778.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42223 + ... + 80653.

It is an arithmetic number, because the mean of its divisors is an integer number (127113840).

Almost surely, 2^2361123778 is an apocalyptic number.

2361123778 is a deficient number, since it is larger than the sum of its proper divisors (1706519102).

2361123778 is a wasteful number, since it uses less digits than its factorization.

2361123778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38602.

The product of its digits is 84672, while the sum is 40.

The square root of 2361123778 is about 48591.3961314140. The cubic root of 2361123778 is about 1331.5973379850.

The spelling of 2361123778 in words is "two billion, three hundred sixty-one million, one hundred twenty-three thousand, seven hundred seventy-eight".