87022704 has 80 divisors (see below), whose sum is σ = 233985024. Its totient is φ = 27840000.

The previous prime is 87022703. The next prime is 87022721. The reversal of 87022704 is 40722078.

It is a super-3 number, since 3×87022704³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87022703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346579 + ... + 346829.

Almost surely, 2^87022704 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 87022704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116992512).

87022704 is an abundant number, since it is smaller than the sum of its proper divisors (146962320).

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

87022704 is a wasteful number, since it uses less digits than its factorization.

87022704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 87022704 is about 9328.5960358459. The cubic root of 87022704 is about 443.1433038380.

The spelling of 87022704 in words is "eighty-seven million, twenty-two thousand, seven hundred four".