87005686724 has 48 divisors (see below), whose sum is σ = 175944254976. Its totient is φ = 37206489600.

The previous prime is 87005686609. The next prime is 87005686759. The reversal of 87005686724 is 42768650078.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1915622 + ... + 1960514.

It is an arithmetic number, because the mean of its divisors is an integer number (3665505312).

Almost surely, 2^87005686724 is an apocalyptic number.

It is an amenable number.

87005686724 is an abundant number, since it is smaller than the sum of its proper divisors (88938568252).

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

87005686724 is a wasteful number, since it uses less digits than its factorization.

87005686724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47516 (or 47514 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 87005686724 in words is "eighty-seven billion, five million, six hundred eighty-six thousand, seven hundred twenty-four".