77828303 has 8 divisors (see below), whose sum is σ = 89395200. Its totient is φ = 66373560.

The previous prime is 77828273. The next prime is 77828341. The reversal of 77828303 is 30382877.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77828303 - 2¹⁰ = 77827279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77828203) 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 7 ways as a sum of consecutive naturals, for example, 26543 + ... + 29328.

It is an arithmetic number, because the mean of its divisors is an integer number (11174400).

Almost surely, 2^77828303 is an apocalyptic number.

77828303 is a deficient number, since it is larger than the sum of its proper divisors (11566897).

77828303 is a wasteful number, since it uses less digits than its factorization.

77828303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56077.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 77828303 is about 8822.0350826779. The cubic root of 77828303 is about 426.9521324363.

The spelling of 77828303 in words is "seventy-seven million, eight hundred twenty-eight thousand, three hundred three".