87176292 has 72 divisors (see below), whose sum is σ = 243077184. Its totient is φ = 24228288.

The previous prime is 87176281. The next prime is 87176293. The reversal of 87176292 is 29267178.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (87176293) 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 23 ways as a sum of consecutive naturals, for example, 19753 + ... + 23759.

It is an arithmetic number, because the mean of its divisors is an integer number (3376072).

Almost surely, 2^87176292 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 87176292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121538592).

87176292 is an abundant number, since it is smaller than the sum of its proper divisors (155900892).

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

87176292 is a wasteful number, since it uses less digits than its factorization.

87176292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065 (or 4056 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 87176292 is about 9336.8245137199. The cubic root of 87176292 is about 443.4038545864.

The spelling of 87176292 in words is "eighty-seven million, one hundred seventy-six thousand, two hundred ninety-two".