77803085 has 16 divisors (see below), whose sum is σ = 97079040. Its totient is φ = 59787840.

The previous prime is 77803073. The next prime is 77803093. The reversal of 77803085 is 58030877.

It is not a de Polignac number, because 77803085 - 2⁴ = 77803069 is a prime.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 29324 + ... + 31866.

It is an arithmetic number, because the mean of its divisors is an integer number (6067440).

Almost surely, 2^77803085 is an apocalyptic number.

It is an amenable number.

77803085 is a deficient number, since it is larger than the sum of its proper divisors (19275955).

77803085 is a wasteful number, since it uses less digits than its factorization.

77803085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 77803085 is about 8820.6057048255. The cubic root of 77803085 is about 426.9060136442.

The spelling of 77803085 in words is "seventy-seven million, eight hundred three thousand, eighty-five".