87247368 has 80 divisors (see below), whose sum is σ = 263196780. Its totient is φ = 26842752.

The previous prime is 87247351. The next prime is 87247379. The reversal of 87247368 is 86374278.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83942244 + 3305124 = 9162^2 + 1818^2 .

It is a super-2 number, since 2×87247368² = 15224206445854848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3246 + ... + 13602.

Almost surely, 2^87247368 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 87247368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131598390).

87247368 is an abundant number, since it is smaller than the sum of its proper divisors (175949412).

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

87247368 is a wasteful number, since it uses less digits than its factorization.

87247368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10388 (or 10375 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 87247368 is about 9340.6299573423. The cubic root of 87247368 is about 443.5243262214.

The spelling of 87247368 in words is "eighty-seven million, two hundred forty-seven thousand, three hundred sixty-eight".