2361978856 has 16 divisors (see below), whose sum is σ = 4431398400. Its totient is φ = 1180272624.

The previous prime is 2361978833. The next prime is 2361978869. The reversal of 2361978856 is 6588791632.

It is a junction number, because it is equal to n+sod(n) for n = 2361978797 and 2361978806.

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 3 ways as a sum of consecutive naturals, for example, 75466 + ... + 102073.

It is an arithmetic number, because the mean of its divisors is an integer number (276962400).

Almost surely, 2^2361978856 is an apocalyptic number.

It is an amenable number.

2361978856 is a deficient number, since it is larger than the sum of its proper divisors (2069419544).

2361978856 is a wasteful number, since it uses less digits than its factorization.

2361978856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179208 (or 179204 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The square root of 2361978856 is about 48600.1939913824. The cubic root of 2361978856 is about 1331.7580640168.

The spelling of 2361978856 in words is "two billion, three hundred sixty-one million, nine hundred seventy-eight thousand, eight hundred fifty-six".