87844065242 has 32 divisors (see below), whose sum is σ = 136833822720. Its totient is φ = 42244715520.

The previous prime is 87844065181. The next prime is 87844065251. The reversal of 87844065242 is 24256044878.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25903367 + ... + 25906757.

It is an arithmetic number, because the mean of its divisors is an integer number (4276056960).

Almost surely, 2^87844065242 is an apocalyptic number.

87844065242 is a deficient number, since it is larger than the sum of its proper divisors (48989757478).

87844065242 is a wasteful number, since it uses less digits than its factorization.

87844065242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006.

The product of its (nonzero) digits is 3440640, while the sum is 50.

The spelling of 87844065242 in words is "eighty-seven billion, eight hundred forty-four million, sixty-five thousand, two hundred forty-two".