77830050 has 24 divisors (see below), whose sum is σ = 193018896. Its totient is φ = 20754640.

The previous prime is 77830037. The next prime is 77830069. The reversal of 77830050 is 5003877.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

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, 259284 + ... + 259583.

It is an arithmetic number, because the mean of its divisors is an integer number (8042454).

Almost surely, 2^77830050 is an apocalyptic number.

77830050 is an abundant number, since it is smaller than the sum of its proper divisors (115188846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77830050 is a wasteful number, since it uses less digits than its factorization.

77830050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518882 (or 518877 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 77830050 is about 8822.1340955576. The cubic root of 77830050 is about 426.9553269888.

The spelling of 77830050 in words is "seventy-seven million, eight hundred thirty thousand, fifty".