87212608 has 28 divisors (see below), whose sum is σ = 197786752. Its totient is φ = 37376640.

The previous prime is 87212581. The next prime is 87212639. The reversal of 87212608 is 80621278.

It is a tau number, because it is divible by the number of its divisors (28).

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, 96888 + ... + 97783.

Almost surely, 2^87212608 is an apocalyptic number.

It is an amenable number.

87212608 is an abundant number, since it is smaller than the sum of its proper divisors (110574144).

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

87212608 is a wasteful number, since it uses less digits than its factorization.

87212608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194690 (or 194680 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 87212608 is about 9338.7690837712. The cubic root of 87212608 is about 443.4654172679.

The spelling of 87212608 in words is "eighty-seven million, two hundred twelve thousand, six hundred eight".