87756216 has 16 divisors (see below), whose sum is σ = 219390600. Its totient is φ = 29252064.

The previous prime is 87756203. The next prime is 87756223. The reversal of 87756216 is 61265778.

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, 1828231 + ... + 1828278.

Almost surely, 2^87756216 is an apocalyptic number.

It is an amenable number.

87756216 is an abundant number, since it is smaller than the sum of its proper divisors (131634384).

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

87756216 is a wasteful number, since it uses less digits than its factorization.

87756216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656518 (or 3656514 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 87756216 is about 9367.8287772568. The cubic root of 87756216 is about 444.3849028199.

The spelling of 87756216 in words is "eighty-seven million, seven hundred fifty-six thousand, two hundred sixteen".