87808856 has 8 divisors (see below), whose sum is σ = 164641620. Its totient is φ = 43904424.

The previous prime is 87808849. The next prime is 87808867. The reversal of 87808856 is 65880878.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5488046 + ... + 5488061.

Almost surely, 2^87808856 is an apocalyptic number.

It is an amenable number.

87808856 is a deficient number, since it is larger than the sum of its proper divisors (76832764).

87808856 is a wasteful number, since it uses less digits than its factorization.

87808856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10976113 (or 10976109 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The square root of 87808856 is about 9370.6379718779. The cubic root of 87808856 is about 444.4737388654.

The spelling of 87808856 in words is "eighty-seven million, eight hundred eight thousand, eight hundred fifty-six".