87824836 has 12 divisors (see below), whose sum is σ = 167665680. Its totient is φ = 39920360.

The previous prime is 87824831. The next prime is 87824837. The reversal of 87824836 is 63842878.

It is not an unprimeable number, because it can be changed into a prime (87824831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997966 + ... + 998053.

It is an arithmetic number, because the mean of its divisors is an integer number (13972140).

Almost surely, 2^87824836 is an apocalyptic number.

It is an amenable number.

87824836 is a deficient number, since it is larger than the sum of its proper divisors (79840844).

87824836 is a wasteful number, since it uses less digits than its factorization.

87824836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996034 (or 1996032 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 87824836 is about 9371.4905964846. The cubic root of 87824836 is about 444.5006999255.

The spelling of 87824836 in words is "eighty-seven million, eight hundred twenty-four thousand, eight hundred thirty-six".