87603864 has 64 divisors (see below), whose sum is σ = 229824000. Its totient is φ = 27794304.

The previous prime is 87603863. The next prime is 87603871. The reversal of 87603864 is 46830678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87603863) 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, 40687 + ... + 42785.

It is an arithmetic number, because the mean of its divisors is an integer number (3591000).

Almost surely, 2^87603864 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 87603864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114912000).

87603864 is an abundant number, since it is smaller than the sum of its proper divisors (142220136).

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

87603864 is a wasteful number, since it uses less digits than its factorization.

87603864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192 (or 2188 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 87603864 is about 9359.6935847281. The cubic root of 87603864 is about 444.1275909587.

The spelling of 87603864 in words is "eighty-seven million, six hundred three thousand, eight hundred sixty-four".