87662344 has 64 divisors (see below), whose sum is σ = 207100800. Its totient is φ = 33792000.

The previous prime is 87662339. The next prime is 87662347. The reversal of 87662344 is 44326678.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 87662297 and 87662306.

It is not an unprimeable number, because it can be changed into a prime (87662347) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 61512 + ... + 62920.

It is an arithmetic number, because the mean of its divisors is an integer number (3235950).

Almost surely, 2^87662344 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 87662344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103550400).

87662344 is an abundant number, since it is smaller than the sum of its proper divisors (119438456).

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

87662344 is a wasteful number, since it uses less digits than its factorization.

87662344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534 (or 1530 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 87662344 is about 9362.8170974339. The cubic root of 87662344 is about 444.2263948361.

The spelling of 87662344 in words is "eighty-seven million, six hundred sixty-two thousand, three hundred forty-four".