2947367855 has 8 divisors (see below), whose sum is σ = 3589630512. Its totient is φ = 2322701568.

The previous prime is 2947367851. The next prime is 2947367869. The reversal of 2947367855 is 5587637492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2947367855 - 2² = 2947367851 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 2947367855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947367851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4398722 + ... + 4399391.

It is an arithmetic number, because the mean of its divisors is an integer number (448703814).

Almost surely, 2^2947367855 is an apocalyptic number.

2947367855 is a deficient number, since it is larger than the sum of its proper divisors (642262657).

2947367855 is an equidigital number, since it uses as much as digits as its factorization.

2947367855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8798185.

The product of its digits is 12700800, while the sum is 56.

The square root of 2947367855 is about 54289.6661898008. Note that the first 3 decimals coincide. The cubic root of 2947367855 is about 1433.7654612280.

The spelling of 2947367855 in words is "two billion, nine hundred forty-seven million, three hundred sixty-seven thousand, eight hundred fifty-five".