86677728 has 48 divisors (see below), whose sum is σ = 228097296. Its totient is φ = 28820480.

The previous prime is 86677711. The next prime is 86677739. The reversal of 86677728 is 82777668.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 49150 + ... + 50882.

It is an arithmetic number, because the mean of its divisors is an integer number (4752027).

Almost surely, 2^86677728 is an apocalyptic number.

It is an amenable number.

86677728 is an abundant number, since it is smaller than the sum of its proper divisors (141419568).

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

86677728 is a wasteful number, since it uses less digits than its factorization.

86677728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267 (or 2259 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 51.

The square root of 86677728 is about 9310.0874324573. The cubic root of 86677728 is about 442.5569577804.

The spelling of 86677728 in words is "eighty-six million, six hundred seventy-seven thousand, seven hundred twenty-eight".