50777866 has 8 divisors (see below), whose sum is σ = 76292100. Its totient is φ = 25347168.

The previous prime is 50777863. The next prime is 50777873. The reversal of 50777866 is 66877705.

It can be written as a sum of positive squares in 2 ways, for example, as 37564641 + 13213225 = 6129^2 + 3635^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (50777863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19341 + ... + 21808.

Almost surely, 2^50777866 is an apocalyptic number.

50777866 is a deficient number, since it is larger than the sum of its proper divisors (25514234).

50777866 is a wasteful number, since it uses less digits than its factorization.

50777866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41768.

The product of its (nonzero) digits is 493920, while the sum is 46.

The square root of 50777866 is about 7125.8589657669. The cubic root of 50777866 is about 370.3037826560.

The spelling of 50777866 in words is "fifty million, seven hundred seventy-seven thousand, eight hundred sixty-six".