87109376 has 36 divisors (see below), whose sum is σ = 183040200. Its totient is φ = 41260032.

The previous prime is 87109339. The next prime is 87109391. The reversal of 87109376 is 67390178.

It is an automorphic number since its square, 7588043387109376, ends in 87109376.

It is a trimorphic number since its cube, 660989724512024187109376, ends in 87109376.

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, 4091 + ... + 13818.

It is an arithmetic number, because the mean of its divisors is an integer number (5084450).

Almost surely, 2^87109376 is an apocalyptic number.

It is an amenable number.

87109376 is an abundant number, since it is smaller than the sum of its proper divisors (95930824).

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

87109376 is a wasteful number, since it uses less digits than its factorization.

87109376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17944 (or 17930 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 87109376 is about 9333.2403804895. The cubic root of 87109376 is about 443.2903741641.

The spelling of 87109376 in words is "eighty-seven million, one hundred nine thousand, three hundred seventy-six".