87709116 has 48 divisors (see below), whose sum is σ = 223872768. Its totient is φ = 26505600.

The previous prime is 87709109. The next prime is 87709123. The reversal of 87709116 is 61190778.

It is an interprime number because it is at equal distance from previous prime (87709109) and next prime (87709123).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65736 + ... + 67056.

It is an arithmetic number, because the mean of its divisors is an integer number (4664016).

Almost surely, 2^87709116 is an apocalyptic number.

It is an amenable number.

87709116 is an abundant number, since it is smaller than the sum of its proper divisors (136163652).

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

87709116 is a wasteful number, since it uses less digits than its factorization.

87709116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842 (or 1840 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 39.

The square root of 87709116 is about 9365.3145168756. The cubic root of 87709116 is about 444.3053860420.

The spelling of 87709116 in words is "eighty-seven million, seven hundred nine thousand, one hundred sixteen".