3478684487 has 2 divisors, whose sum is σ = 3478684488. Its totient is φ = 3478684486.

The previous prime is 3478684481. The next prime is 3478684513. The reversal of 3478684487 is 7844868743.

It is a happy number.

3478684487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3478684487 - 2³⁰ = 2404942663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3478684481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739342243 + 1739342244.

It is an arithmetic number, because the mean of its divisors is an integer number (1739342244).

Almost surely, 2^3478684487 is an apocalyptic number.

3478684487 is a deficient number, since it is larger than the sum of its proper divisors (1).

3478684487 is an equidigital number, since it uses as much as digits as its factorization.

3478684487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28901376, while the sum is 59.

The square root of 3478684487 is about 58980.3737441532. The cubic root of 3478684487 is about 1515.2059956544.

The spelling of 3478684487 in words is "three billion, four hundred seventy-eight million, six hundred eighty-four thousand, four hundred eighty-seven".