49780877 has 2 divisors, whose sum is σ = 49780878. Its totient is φ = 49780876.

The previous prime is 49780867. The next prime is 49780889. The reversal of 49780877 is 77808794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38180041 + 11600836 = 6179^2 + 3406^2 .

It is a cyclic number.

It is not a de Polignac number, because 49780877 - 2⁶ = 49780813 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 (49780807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24890438 + 24890439.

It is an arithmetic number, because the mean of its divisors is an integer number (24890439).

Almost surely, 2^49780877 is an apocalyptic number.

It is an amenable number.

49780877 is a deficient number, since it is larger than the sum of its proper divisors (1).

49780877 is an equidigital number, since it uses as much as digits as its factorization.

49780877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 50.

The square root of 49780877 is about 7055.5564628171. The cubic root of 49780877 is about 367.8641910844.

The spelling of 49780877 in words is "forty-nine million, seven hundred eighty thousand, eight hundred seventy-seven".