87842828 has 12 divisors (see below), whose sum is σ = 157474632. Its totient is φ = 42850080.

The previous prime is 87842803. The next prime is 87842837. The reversal of 87842828 is 82824878.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267650 + ... + 267977.

It is an arithmetic number, because the mean of its divisors is an integer number (13122886).

Almost surely, 2^87842828 is an apocalyptic number.

It is an amenable number.

87842828 is a deficient number, since it is larger than the sum of its proper divisors (69631804).

87842828 is a wasteful number, since it uses less digits than its factorization.

87842828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535672 (or 535670 counting only the distinct ones).

The product of its digits is 458752, while the sum is 47.

The square root of 87842828 is about 9372.4504799972. The cubic root of 87842828 is about 444.5310516684.

The spelling of 87842828 in words is "eighty-seven million, eight hundred forty-two thousand, eight hundred twenty-eight".