77803080 has 64 divisors (see below), whose sum is σ = 236917440. Its totient is φ = 20435712.

The previous prime is 77803073. The next prime is 77803093. The reversal of 77803080 is 8030877.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3202 + ... + 12878.

It is an arithmetic number, because the mean of its divisors is an integer number (3701835).

Almost surely, 2^77803080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77803080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118458720).

77803080 is an abundant number, since it is smaller than the sum of its proper divisors (159114360).

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

77803080 is a wasteful number, since it uses less digits than its factorization.

77803080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9758 (or 9754 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 77803080 is about 8820.6054213982. The cubic root of 77803080 is about 426.9060044992.

It can be divided in two parts, 7 and 7803080, that added together give a palindrome (7803087).

The spelling of 77803080 in words is "seventy-seven million, eight hundred three thousand, eighty".