14152220777 has 4 divisors (see below), whose sum is σ = 14640228420. Its totient is φ = 13664213136.

The previous prime is 14152220767. The next prime is 14152220801. The reversal of 14152220777 is 77702225141.

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 9121014016 + 5031206761 = 95504^2 + 70931^2 .

It is a cyclic number.

It is not a de Polignac number, because 14152220777 - 2¹² = 14152216681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14152220777.

It is not an unprimeable number, because it can be changed into a prime (14152220717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244003778 + ... + 244003835.

It is an arithmetic number, because the mean of its divisors is an integer number (3660057105).

Almost surely, 2^14152220777 is an apocalyptic number.

It is an amenable number.

14152220777 is a deficient number, since it is larger than the sum of its proper divisors (488007643).

14152220777 is an equidigital number, since it uses as much as digits as its factorization.

14152220777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488007642.

The product of its (nonzero) digits is 54880, while the sum is 38.

The spelling of 14152220777 in words is "fourteen billion, one hundred fifty-two million, two hundred twenty thousand, seven hundred seventy-seven".