49779377 has 2 divisors, whose sum is σ = 49779378. Its totient is φ = 49779376.

The previous prime is 49779347. The next prime is 49779403. The reversal of 49779377 is 77397794.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25563136 + 24216241 = 5056^2 + 4921^2 .

It is a cyclic number.

It is not a de Polignac number, because 49779377 - 2¹⁸ = 49517233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49779347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24889688 + 24889689.

It is an arithmetic number, because the mean of its divisors is an integer number (24889689).

Almost surely, 2^49779377 is an apocalyptic number.

It is an amenable number.

49779377 is a deficient number, since it is larger than the sum of its proper divisors (1).

49779377 is an equidigital number, since it uses as much as digits as its factorization.

49779377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2333772, while the sum is 53.

The square root of 49779377 is about 7055.4501628174. The cubic root of 49779377 is about 367.8604962130.

The spelling of 49779377 in words is "forty-nine million, seven hundred seventy-nine thousand, three hundred seventy-seven".