87404208 has 160 divisors (see below), whose sum is σ = 254555136. Its totient is φ = 25718784.

The previous prime is 87404203. The next prime is 87404243. The reversal of 87404208 is 80240478.

It is a super-2 number, since 2×87404208² = 15278991152214528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87404203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1649110 + ... + 1649162.

Almost surely, 2^87404208 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 87404208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127277568).

87404208 is an abundant number, since it is smaller than the sum of its proper divisors (167150928).

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

87404208 is a wasteful number, since it uses less digits than its factorization.

87404208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 87404208 is about 9349.0217670086. The cubic root of 87404208 is about 443.7899339053.

The spelling of 87404208 in words is "eighty-seven million, four hundred four thousand, two hundred eight".