49769879 has 2 divisors, whose sum is σ = 49769880. Its totient is φ = 49769878.

The previous prime is 49769821. The next prime is 49769891. The reversal of 49769879 is 97896794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49769879 - 2⁸ = 49769623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49769179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24884939 + 24884940.

It is an arithmetic number, because the mean of its divisors is an integer number (24884940).

Almost surely, 2^49769879 is an apocalyptic number.

49769879 is a deficient number, since it is larger than the sum of its proper divisors (1).

49769879 is an equidigital number, since it uses as much as digits as its factorization.

49769879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6858432, while the sum is 59.

The square root of 49769879 is about 7054.7770340387. Note that the first 3 decimals coincide. The cubic root of 49769879 is about 367.8370985635.

The spelling of 49769879 in words is "forty-nine million, seven hundred sixty-nine thousand, eight hundred seventy-nine".