4798778731 has 2 divisors, whose sum is σ = 4798778732. Its totient is φ = 4798778730.

The previous prime is 4798778723. The next prime is 4798778749. The reversal of 4798778731 is 1378778974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4798778731 - 2³ = 4798778723 is a prime.

It is a super-2 number, since 2×4798778731² = 46056554618195940722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4798778731.

It is not a weakly prime, because it can be changed into another prime (4798778711) 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 as a sum of consecutive naturals, namely, 2399389365 + 2399389366.

It is an arithmetic number, because the mean of its divisors is an integer number (2399389366).

Almost surely, 2^4798778731 is an apocalyptic number.

4798778731 is a deficient number, since it is larger than the sum of its proper divisors (1).

4798778731 is an equidigital number, since it uses as much as digits as its factorization.

4798778731 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 4798778731 is about 69273.2179922371. The cubic root of 4798778731 is about 1686.7222548341.

The spelling of 4798778731 in words is "four billion, seven hundred ninety-eight million, seven hundred seventy-eight thousand, seven hundred thirty-one".