87207484 has 72 divisors (see below), whose sum is σ = 199771040. Its totient is φ = 32431104.

The previous prime is 87207481. The next prime is 87207493. The reversal of 87207484 is 48470278.

It is a happy number.

It is a super-2 number, since 2×87207484² = 15210290531220512, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87207481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104782 + ... + 105610.

Almost surely, 2^87207484 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 87207484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99885520).

87207484 is an abundant number, since it is smaller than the sum of its proper divisors (112563556).

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

87207484 is a wasteful number, since it uses less digits than its factorization.

87207484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 87207484 is about 9338.4947395177. The cubic root of 87207484 is about 443.4567321272.

The spelling of 87207484 in words is "eighty-seven million, two hundred seven thousand, four hundred eighty-four".