86280823445 has 16 divisors (see below), whose sum is σ = 106162481520. Its totient is φ = 67290921984.

The previous prime is 86280823399. The next prime is 86280823451. The reversal of 86280823445 is 54432808268.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 66357316 + 86214466129 = 8146^2 + 293623^2 .

It is a cyclic number.

It is not a de Polignac number, because 86280823445 - 2¹² = 86280819349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86280823393 and 86280823402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 995300 + ... + 1078509.

It is an arithmetic number, because the mean of its divisors is an integer number (6635155095).

Almost surely, 2^86280823445 is an apocalyptic number.

It is an amenable number.

86280823445 is a deficient number, since it is larger than the sum of its proper divisors (19881658075).

86280823445 is a wasteful number, since it uses less digits than its factorization.

86280823445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074024.

The product of its (nonzero) digits is 2949120, while the sum is 50.

The spelling of 86280823445 in words is "eighty-six billion, two hundred eighty million, eight hundred twenty-three thousand, four hundred forty-five".