87840827 has 8 divisors (see below), whose sum is σ = 89279520. Its totient is φ = 86408640.

The previous prime is 87840803. The next prime is 87840829. The reversal of 87840827 is 72804878.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87840827 - 2¹⁰ = 87839803 is a prime.

It is a super-3 number, since 3×87840827³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87840829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30677 + ... + 33417.

It is an arithmetic number, because the mean of its divisors is an integer number (11159940).

Almost surely, 2^87840827 is an apocalyptic number.

87840827 is a deficient number, since it is larger than the sum of its proper divisors (1438693).

87840827 is a wasteful number, since it uses less digits than its factorization.

87840827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253.

The product of its (nonzero) digits is 200704, while the sum is 44.

The square root of 87840827 is about 9372.3437303590. The cubic root of 87840827 is about 444.5276762709.

The spelling of 87840827 in words is "eighty-seven million, eight hundred forty thousand, eight hundred twenty-seven".