87028936 has 8 divisors (see below), whose sum is σ = 163179270. Its totient is φ = 43514464.

The previous prime is 87028927. The next prime is 87028943. The reversal of 87028936 is 63982078.

It can be written as a sum of positive squares in only one way, i.e., 86676100 + 352836 = 9310^2 + 594^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 87028892 and 87028901.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5439301 + ... + 5439316.

Almost surely, 2^87028936 is an apocalyptic number.

It is an amenable number.

87028936 is a deficient number, since it is larger than the sum of its proper divisors (76150334).

87028936 is a wasteful number, since it uses less digits than its factorization.

87028936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10878623 (or 10878619 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 87028936 is about 9328.9300565499. The cubic root of 87028936 is about 443.1538819325.

The spelling of 87028936 in words is "eighty-seven million, twenty-eight thousand, nine hundred thirty-six".