87319038843 has 12 divisors (see below), whose sum is σ = 126134495760. Its totient is φ = 58209464016.

The previous prime is 87319038817. The next prime is 87319038857. The reversal of 87319038843 is 34883091378.

87319038843 is a `hidden beast` number, since 8 + 73 + 190 + 388 + 4 + 3 = 666.

It is not a de Polignac number, because 87319038843 - 2¹⁶ = 87318973307 is a prime.

It is a super-2 number, since 2×87319038843² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87319038843.

It is not an unprimeable number, because it can be changed into a prime (87319031843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91596 + ... + 427817.

It is an arithmetic number, because the mean of its divisors is an integer number (10511207980).

Almost surely, 2^87319038843 is an apocalyptic number.

87319038843 is a deficient number, since it is larger than the sum of its proper divisors (38815456917).

87319038843 is a wasteful number, since it uses less digits than its factorization.

87319038843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538098 (or 538095 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 87319038843 in words is "eighty-seven billion, three hundred nineteen million, thirty-eight thousand, eight hundred forty-three".