87109392 has 40 divisors (see below), whose sum is σ = 226222624. Its totient is φ = 28882944.

The previous prime is 87109391. The next prime is 87109397. The reversal of 87109392 is 29390178.

It is a self number, because there is not a number n which added to its sum of digits gives 87109392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87109391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4563 + ... + 13965.

Almost surely, 2^87109392 is an apocalyptic number.

It is an amenable number.

87109392 is an abundant number, since it is smaller than the sum of its proper divisors (139113232).

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

87109392 is a wasteful number, since it uses less digits than its factorization.

87109392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9607 (or 9601 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 87109392 is about 9333.2412376409. The cubic root of 87109392 is about 443.2904013049.

The spelling of 87109392 in words is "eighty-seven million, one hundred nine thousand, three hundred ninety-two".