87084376643 has 8 divisors (see below), whose sum is σ = 95078831616. Its totient is φ = 79102870600.

The previous prime is 87084376633. The next prime is 87084376657. The reversal of 87084376643 is 34667348078.

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

It is a cyclic number.

It is not a de Polignac number, because 87084376643 - 2¹² = 87084372547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87084376633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3223163 + ... + 3250068.

It is an arithmetic number, because the mean of its divisors is an integer number (11884853952).

Almost surely, 2^87084376643 is an apocalyptic number.

87084376643 is a deficient number, since it is larger than the sum of its proper divisors (7994454973).

87084376643 is a wasteful number, since it uses less digits than its factorization.

87084376643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6474465.

The product of its (nonzero) digits is 16257024, while the sum is 56.

The spelling of 87084376643 in words is "eighty-seven billion, eighty-four million, three hundred seventy-six thousand, six hundred forty-three".