86542109432 has 8 divisors (see below), whose sum is σ = 162266455200. Its totient is φ = 43271054712.

The previous prime is 86542109413. The next prime is 86542109497. The reversal of 86542109432 is 23490124568.

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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5408881832 + ... + 5408881847.

It is an arithmetic number, because the mean of its divisors is an integer number (20283306900).

Almost surely, 2^86542109432 is an apocalyptic number.

It is an amenable number.

86542109432 is a deficient number, since it is larger than the sum of its proper divisors (75724345768).

86542109432 is a wasteful number, since it uses less digits than its factorization.

86542109432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10817763685 (or 10817763681 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 86542109432 in words is "eighty-six billion, five hundred forty-two million, one hundred nine thousand, four hundred thirty-two".