2412805778 has 4 divisors (see below), whose sum is σ = 3619208670. Its totient is φ = 1206402888.

The previous prime is 2412805739. The next prime is 2412805783. The reversal of 2412805778 is 8775082142.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8775082142 = 2 ⋅4387541071.

It can be written as a sum of positive squares in only one way, i.e., 2169975889 + 242829889 = 46583^2 + 15583^2 .

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 as a sum of consecutive naturals, namely, 603201443 + ... + 603201446.

Almost surely, 2^2412805778 is an apocalyptic number.

2412805778 is a deficient number, since it is larger than the sum of its proper divisors (1206402892).

2412805778 is a wasteful number, since it uses less digits than its factorization.

2412805778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206402891.

The product of its (nonzero) digits is 250880, while the sum is 44.

The square root of 2412805778 is about 49120.3194004274. The cubic root of 2412805778 is about 1341.2429578607.

The spelling of 2412805778 in words is "two billion, four hundred twelve million, eight hundred five thousand, seven hundred seventy-eight".