86927828 has 12 divisors (see below), whose sum is σ = 163825620. Its totient is φ = 40120512.

The previous prime is 86927821. The next prime is 86927839. The reversal of 86927828 is 82872968.

It can be written as a sum of positive squares in 2 ways, for example, as 49815364 + 37112464 = 7058^2 + 6092^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86927821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835793 + ... + 835896.

It is an arithmetic number, because the mean of its divisors is an integer number (13652135).

Almost surely, 2^86927828 is an apocalyptic number.

It is an amenable number.

86927828 is a deficient number, since it is larger than the sum of its proper divisors (76897792).

86927828 is a wasteful number, since it uses less digits than its factorization.

86927828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671706 (or 1671704 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 86927828 is about 9323.5094251038. The cubic root of 86927828 is about 442.9822004680.

The spelling of 86927828 in words is "eighty-six million, nine hundred twenty-seven thousand, eight hundred twenty-eight".