77828528 has 10 divisors (see below), whose sum is σ = 150792804. Its totient is φ = 38914256.

The previous prime is 77828461. The next prime is 77828549. The reversal of 77828528 is 82582877.

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 as a sum of consecutive naturals, namely, 2432126 + ... + 2432157.

Almost surely, 2^77828528 is an apocalyptic number.

It is an amenable number.

77828528 is a deficient number, since it is larger than the sum of its proper divisors (72964276).

77828528 is a wasteful number, since it uses less digits than its factorization.

77828528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4864291 (or 4864285 counting only the distinct ones).

The product of its digits is 501760, while the sum is 47.

The square root of 77828528 is about 8822.0478348284. The cubic root of 77828528 is about 426.9525438725.

The spelling of 77828528 in words is "seventy-seven million, eight hundred twenty-eight thousand, five hundred twenty-eight".