87146332 has 48 divisors (see below), whose sum is σ = 193779712. Its totient is φ = 33359040.

The previous prime is 87146317. The next prime is 87146341. The reversal of 87146332 is 23364178.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7423 + ... + 15145.

Almost surely, 2^87146332 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 87146332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96889856).

87146332 is an abundant number, since it is smaller than the sum of its proper divisors (106633380).

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

87146332 is a wasteful number, since it uses less digits than its factorization.

87146332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7778 (or 7776 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 87146332 is about 9335.2199759834. The cubic root of 87146332 is about 443.3530536890.

It can be divided in two parts, 87146 and 332, that added together give a palindrome (87478).

The spelling of 87146332 in words is "eighty-seven million, one hundred forty-six thousand, three hundred thirty-two".