87105628 has 12 divisors (see below), whose sum is σ = 154710472. Its totient is φ = 42902640.

The previous prime is 87105619. The next prime is 87105631. The reversal of 87105628 is 82650178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162243 + ... + 162778.

Almost surely, 2^87105628 is an apocalyptic number.

It is an amenable number.

87105628 is a deficient number, since it is larger than the sum of its proper divisors (67604844).

87105628 is a wasteful number, since it uses less digits than its factorization.

87105628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325092 (or 325090 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 87105628 is about 9333.0395906157. The cubic root of 87105628 is about 443.2840163482.

The spelling of 87105628 in words is "eighty-seven million, one hundred five thousand, six hundred twenty-eight".