87567616 has 18 divisors (see below), whose sum is σ = 174793682. Its totient is φ = 43783680.

The previous prime is 87567611. The next prime is 87567631. The reversal of 87567616 is 61676578.

It can be written as a sum of positive squares in only one way, i.e., 83174400 + 4393216 = 9120^2 + 2096^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87567611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170775 + ... + 171286.

Almost surely, 2^87567616 is an apocalyptic number.

It is an amenable number.

87567616 is a deficient number, since it is larger than the sum of its proper divisors (87226066).

87567616 is an equidigital number, since it uses as much as digits as its factorization.

87567616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342077 (or 342063 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 87567616 is about 9357.7569962037. The cubic root of 87567616 is about 444.0663266982.

The spelling of 87567616 in words is "eighty-seven million, five hundred sixty-seven thousand, six hundred sixteen".