86665554322 has 4 divisors (see below), whose sum is σ = 129998331486. Its totient is φ = 43332777160.

The previous prime is 86665554299. The next prime is 86665554421. The reversal of 86665554322 is 22345556668.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65550848841 + 21114705481 = 256029^2 + 145309^2 .

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 86665554322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21666388579 + ... + 21666388582.

Almost surely, 2^86665554322 is an apocalyptic number.

86665554322 is a deficient number, since it is larger than the sum of its proper divisors (43332777164).

86665554322 is a wasteful number, since it uses less digits than its factorization.

86665554322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43332777163.

The product of its digits is 10368000, while the sum is 52.

The spelling of 86665554322 in words is "eighty-six billion, six hundred sixty-five million, five hundred fifty-four thousand, three hundred twenty-two".