77700050 has 24 divisors (see below), whose sum is σ = 146977200. Its totient is φ = 30552080.

The previous prime is 77700023. The next prime is 77700053. The reversal of 77700050 is 5000777.

It is a junction number, because it is equal to n+sod(n) for n = 77699992 and 77700019.

It is not an unprimeable number, because it can be changed into a prime (77700053) 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 in 11 ways as a sum of consecutive naturals, for example, 10220 + ... + 16119.

It is an arithmetic number, because the mean of its divisors is an integer number (6124050).

Almost surely, 2^77700050 is an apocalyptic number.

77700050 is a deficient number, since it is larger than the sum of its proper divisors (69277150).

77700050 is a wasteful number, since it uses less digits than its factorization.

77700050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26410 (or 26405 counting only the distinct ones).

The product of its (nonzero) digits is 1715, while the sum is 26.

The square root of 77700050 is about 8814.7631845671. The cubic root of 77700050 is about 426.7174791643.

The spelling of 77700050 in words is "seventy-seven million, seven hundred thousand, fifty".