87711092 has 48 divisors (see below), whose sum is σ = 187649280. Its totient is φ = 35016192.

The previous prime is 87711077. The next prime is 87711097. The reversal of 87711092 is 29011778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87711097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48134 + ... + 49922.

It is an arithmetic number, because the mean of its divisors is an integer number (3909360).

Almost surely, 2^87711092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87711092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93824640).

87711092 is an abundant number, since it is smaller than the sum of its proper divisors (99938188).

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

87711092 is a wasteful number, since it uses less digits than its factorization.

87711092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 87711092 is about 9365.4200119375. The cubic root of 87711092 is about 444.3087226046.

The spelling of 87711092 in words is "eighty-seven million, seven hundred eleven thousand, ninety-two".