4606778979 has 24 divisors (see below), whose sum is σ = 7264924992. Its totient is φ = 2789772720.

The previous prime is 4606778971. The next prime is 4606779011. The reversal of 4606778979 is 9798776064.

It is not a de Polignac number, because 4606778979 - 2³ = 4606778971 is a prime.

It is a super-2 number, since 2×4606778979² = 42444825122712564882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4606778971) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 111592 + ... + 147194.

It is an arithmetic number, because the mean of its divisors is an integer number (302705208).

Almost surely, 2^4606778979 is an apocalyptic number.

4606778979 is a deficient number, since it is larger than the sum of its proper divisors (2658146013).

4606778979 is a wasteful number, since it uses less digits than its factorization.

4606778979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36927 (or 36924 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 63.

The square root of 4606778979 is about 67873.2567289945. The cubic root of 4606778979 is about 1663.9200647844.

The spelling of 4606778979 in words is "four billion, six hundred six million, seven hundred seventy-eight thousand, nine hundred seventy-nine".