87342164 has 96 divisors (see below), whose sum is σ = 201895680. Its totient is φ = 32099328.

The previous prime is 87342139. The next prime is 87342181. The reversal of 87342164 is 46124378.

It is a super-2 number, since 2×87342164² = 15257307224405792, which contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 504782 + ... + 504954.

It is an arithmetic number, because the mean of its divisors is an integer number (2103080).

Almost surely, 2^87342164 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 87342164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100947840).

87342164 is an abundant number, since it is smaller than the sum of its proper divisors (114553516).

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

87342164 is a wasteful number, since it uses less digits than its factorization.

87342164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 287 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 87342164 is about 9345.7029698145. The cubic root of 87342164 is about 443.6849007458.

The spelling of 87342164 in words is "eighty-seven million, three hundred forty-two thousand, one hundred sixty-four".