87597828 has 48 divisors (see below), whose sum is σ = 239064000. Its totient is φ = 27661824.

The previous prime is 87597827. The next prime is 87597841. The reversal of 87597828 is 82879578.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (87597827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19293 + ... + 23396.

It is an arithmetic number, because the mean of its divisors is an integer number (4980500).

Almost surely, 2^87597828 is an apocalyptic number.

It is an amenable number.

87597828 is an abundant number, since it is smaller than the sum of its proper divisors (151466172).

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

87597828 is a wasteful number, since it uses less digits than its factorization.

87597828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42721 (or 42713 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 54.

The square root of 87597828 is about 9359.3711327204. The cubic root of 87597828 is about 444.1173904356.

The spelling of 87597828 in words is "eighty-seven million, five hundred ninety-seven thousand, eight hundred twenty-eight".