2947465867 has 4 divisors (see below), whose sum is σ = 2958106816. Its totient is φ = 2936824920.

The previous prime is 2947465861. The next prime is 2947465879. The reversal of 2947465867 is 7685647492.

It is a happy number.

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 2947465867 - 2³¹ = 799982219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2947465861) 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, 5320059 + ... + 5320612.

It is an arithmetic number, because the mean of its divisors is an integer number (739526704).

Almost surely, 2^2947465867 is an apocalyptic number.

2947465867 is a deficient number, since it is larger than the sum of its proper divisors (10640949).

2947465867 is a wasteful number, since it uses less digits than its factorization.

2947465867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10640948.

The product of its digits is 20321280, while the sum is 58.

The square root of 2947465867 is about 54290.5688586885. The cubic root of 2947465867 is about 1433.7813539012.

The spelling of 2947465867 in words is "two billion, nine hundred forty-seven million, four hundred sixty-five thousand, eight hundred sixty-seven".