87716916 has 36 divisors (see below), whose sum is σ = 253405152. Its totient is φ = 25061904.

The previous prime is 87716911. The next prime is 87716933. The reversal of 87716916 is 61961778.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87716911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173790 + ... + 174293.

It is an arithmetic number, because the mean of its divisors is an integer number (7039032).

Almost surely, 2^87716916 is an apocalyptic number.

It is an amenable number.

87716916 is an abundant number, since it is smaller than the sum of its proper divisors (165688236).

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

87716916 is a wasteful number, since it uses less digits than its factorization.

87716916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348100 (or 348095 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 87716916 is about 9365.7309378393. The cubic root of 87716916 is about 444.3185563921.

It can be divided in two parts, 87 and 716916, that added together give a triangular number (717003 = T₁₁₉₇).

The spelling of 87716916 in words is "eighty-seven million, seven hundred sixteen thousand, nine hundred sixteen".