86077105321 has 9 divisors (see below), whose sum is σ = 88138369629. Its totient is φ = 84062989836.

The previous prime is 86077105319. The next prime is 86077105379. The reversal of 86077105321 is 12350177068.

The square root of 86077105321 is 293389.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 86077105321 - 2¹ = 86077105319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86077105381) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12612316 + ... + 12619138.

It is an arithmetic number, because the mean of its divisors is an integer number (9793152181).

Almost surely, 2^86077105321 is an apocalyptic number.

86077105321 is the 293389-th square number.

86077105321 is the 146695-th centered octagonal number.

It is an amenable number.

86077105321 is a deficient number, since it is larger than the sum of its proper divisors (2061264308).

86077105321 is an frugal number, since it uses more digits than its factorization.

86077105321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13732 (or 6866 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 86077105321 in words is "eighty-six billion, seventy-seven million, one hundred five thousand, three hundred twenty-one".