87717248 has 32 divisors (see below), whose sum is σ = 178824360. Its totient is φ = 42835968.

The previous prime is 87717233. The next prime is 87717283. The reversal of 87717248 is 84271778.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 87717199 and 87717208.

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, 2465 + ... + 13472.

Almost surely, 2^87717248 is an apocalyptic number.

It is an amenable number.

87717248 is an abundant number, since it is smaller than the sum of its proper divisors (91107112).

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

87717248 is a wasteful number, since it uses less digits than its factorization.

87717248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15994 (or 15982 counting only the distinct ones).

The product of its digits is 175616, while the sum is 44.

The square root of 87717248 is about 9365.7486620131. The cubic root of 87717248 is about 444.3191169589.

The spelling of 87717248 in words is "eighty-seven million, seven hundred seventeen thousand, two hundred forty-eight".