77730050 has 24 divisors (see below), whose sum is σ = 146742096. Its totient is φ = 30626640.

The previous prime is 77730047. The next prime is 77730053. The reversal of 77730050 is 5003777.

It is an interprime number because it is at equal distance from previous prime (77730047) and next prime (77730053).

It is a junction number, because it is equal to n+sod(n) for n = 77729995 and 77730022.

It is not an unprimeable number, because it can be changed into a prime (77730053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8252 + ... + 14951.

It is an arithmetic number, because the mean of its divisors is an integer number (6114254).

Almost surely, 2^77730050 is an apocalyptic number.

77730050 is a deficient number, since it is larger than the sum of its proper divisors (69012046).

77730050 is a wasteful number, since it uses less digits than its factorization.

77730050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23282 (or 23277 counting only the distinct ones).

The product of its (nonzero) digits is 5145, while the sum is 29.

The square root of 77730050 is about 8816.4647109825. The cubic root of 77730050 is about 426.7723906570.

The spelling of 77730050 in words is "seventy-seven million, seven hundred thirty thousand, fifty".