87897504 has 96 divisors (see below), whose sum is σ = 239500800. Its totient is φ = 28207872.

The previous prime is 87897451. The next prime is 87897517. The reversal of 87897504 is 40579878.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

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, 441597 + ... + 441795.

It is an arithmetic number, because the mean of its divisors is an integer number (2494800).

Almost surely, 2^87897504 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 87897504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119750400).

87897504 is an abundant number, since it is smaller than the sum of its proper divisors (151603296).

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

87897504 is a wasteful number, since it uses less digits than its factorization.

87897504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 87897504 is about 9375.3668728216. The cubic root of 87897504 is about 444.6232623410.

The spelling of 87897504 in words is "eighty-seven million, eight hundred ninety-seven thousand, five hundred four".