2355556679 has 4 divisors (see below), whose sum is σ = 2692064784. Its totient is φ = 2019048576.

The previous prime is 2355556657. The next prime is 2355556691. The reversal of 2355556679 is 9766555532.

2355556679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2355556679 - 2¹² = 2355552583 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2355556679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2355556649) 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, 168254042 + ... + 168254055.

It is an arithmetic number, because the mean of its divisors is an integer number (673016196).

Almost surely, 2^2355556679 is an apocalyptic number.

2355556679 is a deficient number, since it is larger than the sum of its proper divisors (336508105).

2355556679 is an equidigital number, since it uses as much as digits as its factorization.

2355556679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336508104.

The product of its digits is 8505000, while the sum is 53.

The square root of 2355556679 is about 48534.0775023076. The cubic root of 2355556679 is about 1330.5499598686.

The spelling of 2355556679 in words is "two billion, three hundred fifty-five million, five hundred fifty-six thousand, six hundred seventy-nine".