7866484344077 has 4 divisors (see below), whose sum is σ = 8329218717276. Its totient is φ = 7403749970880.

The previous prime is 7866484344073. The next prime is 7866484344107. The reversal of 7866484344077 is 7704434846687.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6211090746436 + 1655393597641 = 2492206^2 + 1286621^2 .

It is a cyclic number.

It is not a de Polignac number, because 7866484344077 - 2² = 7866484344073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7866484343998 and 7866484344016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7866484344073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231367186574 + ... + 231367186607.

It is an arithmetic number, because the mean of its divisors is an integer number (2082304679319).

Almost surely, 2^{7866484344077} is an apocalyptic number.

It is an amenable number.

7866484344077 is a deficient number, since it is larger than the sum of its proper divisors (462734373199).

7866484344077 is a wasteful number, since it uses less digits than its factorization.

7866484344077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462734373198.

The product of its (nonzero) digits is 606928896, while the sum is 68.

The spelling of 7866484344077 in words is "seven trillion, eight hundred sixty-six billion, four hundred eighty-four million, three hundred forty-four thousand, seventy-seven".