87542645368 has 8 divisors (see below), whose sum is σ = 164142460080. Its totient is φ = 43771322680.

The previous prime is 87542645299. The next prime is 87542645383. The reversal of 87542645368 is 86354624578.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 5471415328 + ... + 5471415343.

It is an arithmetic number, because the mean of its divisors is an integer number (20517807510).

Almost surely, 2^87542645368 is an apocalyptic number.

It is an amenable number.

87542645368 is a deficient number, since it is larger than the sum of its proper divisors (76599814712).

87542645368 is a wasteful number, since it uses less digits than its factorization.

87542645368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10942830677 (or 10942830673 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 58.

The spelling of 87542645368 in words is "eighty-seven billion, five hundred forty-two million, six hundred forty-five thousand, three hundred sixty-eight".