5212406779 has 2 divisors, whose sum is σ = 5212406780. Its totient is φ = 5212406778.

The previous prime is 5212406713. The next prime is 5212406833. The reversal of 5212406779 is 9776042125.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5212406779 is a prime.

It is not a weakly prime, because it can be changed into another prime (5212406179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2606203389 + 2606203390.

It is an arithmetic number, because the mean of its divisors is an integer number (2606203390).

Almost surely, 2^5212406779 is an apocalyptic number.

5212406779 is a deficient number, since it is larger than the sum of its proper divisors (1).

5212406779 is an equidigital number, since it uses as much as digits as its factorization.

5212406779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 5212406779 is about 72196.9997922351. Note that the first 3 decimals coincide. The cubic root of 5212406779 is about 1733.8549672340.

The spelling of 5212406779 in words is "five billion, two hundred twelve million, four hundred six thousand, seven hundred seventy-nine".