87741992 has 32 divisors (see below), whose sum is σ = 178913280. Its totient is φ = 40098240.

The previous prime is 87741971. The next prime is 87742001. The reversal of 87741992 is 29914778.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6617 + ... + 14807.

It is an arithmetic number, because the mean of its divisors is an integer number (5591040).

Almost surely, 2^87741992 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 87741992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89456640).

87741992 is an abundant number, since it is smaller than the sum of its proper divisors (91171288).

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

87741992 is a wasteful number, since it uses less digits than its factorization.

87741992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313 (or 8309 counting only the distinct ones).

The product of its digits is 254016, while the sum is 47.

The square root of 87741992 is about 9367.0695524267. The cubic root of 87741992 is about 444.3608920900.

The spelling of 87741992 in words is "eighty-seven million, seven hundred forty-one thousand, nine hundred ninety-two".