8023429361866 has 4 divisors (see below), whose sum is σ = 12035144042802. Its totient is φ = 4011714680932.

The previous prime is 8023429361861. The next prime is 8023429361897. The reversal of 8023429361866 is 6681639243208.

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., 8009064140841 + 14365221025 = 2830029^2 + 119855^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8023429361866.

It is not an unprimeable number, because it can be changed into a prime (8023429361861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005857340465 + ... + 2005857340468.

Almost surely, 2^{8023429361866} is an apocalyptic number.

8023429361866 is a deficient number, since it is larger than the sum of its proper divisors (4011714680936).

8023429361866 is a wasteful number, since it uses less digits than its factorization.

8023429361866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011714680935.

The product of its (nonzero) digits is 17915904, while the sum is 58.

The spelling of 8023429361866 in words is "eight trillion, twenty-three billion, four hundred twenty-nine million, three hundred sixty-one thousand, eight hundred sixty-six".