87828258 has 16 divisors (see below), whose sum is σ = 200750400. Its totient is φ = 25093776.

The previous prime is 87828217. The next prime is 87828263. The reversal of 87828258 is 85282878.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045533 + ... + 1045616.

It is an arithmetic number, because the mean of its divisors is an integer number (12546900).

Almost surely, 2^87828258 is an apocalyptic number.

87828258 is an abundant number, since it is smaller than the sum of its proper divisors (112922142).

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

87828258 is a wasteful number, since it uses less digits than its factorization.

87828258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091161.

The product of its digits is 573440, while the sum is 48.

The square root of 87828258 is about 9371.6731697173. The cubic root of 87828258 is about 444.5064730139.

The spelling of 87828258 in words is "eighty-seven million, eight hundred twenty-eight thousand, two hundred fifty-eight".