3478555947 has 4 divisors (see below), whose sum is σ = 4638074600. Its totient is φ = 2319037296.

The previous prime is 3478555939. The next prime is 3478555957. The reversal of 3478555947 is 7495558743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7495558743 = 3 ⋅2498519581.

It is not a de Polignac number, because 3478555947 - 2³ = 3478555939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3478555957) 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, 579759322 + ... + 579759327.

It is an arithmetic number, because the mean of its divisors is an integer number (1159518650).

Almost surely, 2^3478555947 is an apocalyptic number.

3478555947 is a deficient number, since it is larger than the sum of its proper divisors (1159518653).

3478555947 is a wasteful number, since it uses less digits than its factorization.

3478555947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159518652.

The product of its digits is 21168000, while the sum is 57.

The square root of 3478555947 is about 58979.2840495712. The cubic root of 3478555947 is about 1515.1873327587.

The spelling of 3478555947 in words is "three billion, four hundred seventy-eight million, five hundred fifty-five thousand, nine hundred forty-seven".