4877779813 has 2 divisors, whose sum is σ = 4877779814. Its totient is φ = 4877779812.

The previous prime is 4877779801. The next prime is 4877779849. The reversal of 4877779813 is 3189777784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2844942244 + 2032837569 = 53338^2 + 45087^2 .

It is a cyclic number.

It is not a de Polignac number, because 4877779813 - 2²⁵ = 4844225381 is a prime.

It is a super-2 number, since 2×4877779813² = 47585471808220629938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4877779853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2438889906 + 2438889907.

It is an arithmetic number, because the mean of its divisors is an integer number (2438889907).

Almost surely, 2^4877779813 is an apocalyptic number.

It is an amenable number.

4877779813 is a deficient number, since it is larger than the sum of its proper divisors (1).

4877779813 is an equidigital number, since it uses as much as digits as its factorization.

4877779813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16595712, while the sum is 61.

The square root of 4877779813 is about 69841.1040362336. The cubic root of 4877779813 is about 1695.9279485984.

The spelling of 4877779813 in words is "four billion, eight hundred seventy-seven million, seven hundred seventy-nine thousand, eight hundred thirteen".