86646547104328 has 8 divisors (see below), whose sum is σ = 162462275820630. Its totient is φ = 43323273552160.

The previous prime is 86646547104241. The next prime is 86646547104331. The reversal of 86646547104328 is 82340174564668.

It can be written as a sum of positive squares in only one way, i.e., 58505028704164 + 28141518400164 = 7648858^2 + 5304858^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 86646547104328.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5415409194013 + ... + 5415409194028.

Almost surely, 2^{86646547104328} is an apocalyptic number.

It is an amenable number.

86646547104328 is a deficient number, since it is larger than the sum of its proper divisors (75815728716302).

86646547104328 is a wasteful number, since it uses less digits than its factorization.

86646547104328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10830818388047 (or 10830818388043 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 64.

The spelling of 86646547104328 in words is "eighty-six trillion, six hundred forty-six billion, five hundred forty-seven million, one hundred four thousand, three hundred twenty-eight".