49688677 has 2 divisors, whose sum is σ = 49688678. Its totient is φ = 49688676.

The previous prime is 49688659. The next prime is 49688689. The reversal of 49688677 is 77688694.

49688677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48916036 + 772641 = 6994^2 + 879^2 .

It is a cyclic number.

It is not a de Polignac number, because 49688677 - 2⁷ = 49688549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49688627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24844338 + 24844339.

It is an arithmetic number, because the mean of its divisors is an integer number (24844339).

Almost surely, 2^49688677 is an apocalyptic number.

It is an amenable number.

49688677 is a deficient number, since it is larger than the sum of its proper divisors (1).

49688677 is an equidigital number, since it uses as much as digits as its factorization.

49688677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 55.

The square root of 49688677 is about 7049.0195772178. The cubic root of 49688677 is about 367.6369415762.

The spelling of 49688677 in words is "forty-nine million, six hundred eighty-eight thousand, six hundred seventy-seven".