49766777 has 2 divisors, whose sum is σ = 49766778. Its totient is φ = 49766776.

The previous prime is 49766771. The next prime is 49766807. The reversal of 49766777 is 77766794.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49716601 + 50176 = 7051^2 + 224^2 .

It is a cyclic number.

It is not a de Polignac number, because 49766777 - 2⁶ = 49766713 is a prime.

It is not a weakly prime, because it can be changed into another prime (49766771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24883388 + 24883389.

It is an arithmetic number, because the mean of its divisors is an integer number (24883389).

Almost surely, 2^49766777 is an apocalyptic number.

It is an amenable number.

49766777 is a deficient number, since it is larger than the sum of its proper divisors (1).

49766777 is an equidigital number, since it uses as much as digits as its factorization.

49766777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3111696, while the sum is 53.

The square root of 49766777 is about 7054.5571795826. The cubic root of 49766777 is about 367.8294563617.

The spelling of 49766777 in words is "forty-nine million, seven hundred sixty-six thousand, seven hundred seventy-seven".