3478578487 has 2 divisors, whose sum is σ = 3478578488. Its totient is φ = 3478578486.

The previous prime is 3478578469. The next prime is 3478578511. The reversal of 3478578487 is 7848758743.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3478578487 - 2¹⁹ = 3478054199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3478518487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739289243 + 1739289244.

It is an arithmetic number, because the mean of its divisors is an integer number (1739289244).

Almost surely, 2^3478578487 is an apocalyptic number.

3478578487 is a deficient number, since it is larger than the sum of its proper divisors (1).

3478578487 is an equidigital number, since it uses as much as digits as its factorization.

3478578487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42147840, while the sum is 61.

The square root of 3478578487 is about 58979.4751333038. The cubic root of 3478578487 is about 1515.1906054049.

The spelling of 3478578487 in words is "three billion, four hundred seventy-eight million, five hundred seventy-eight thousand, four hundred eighty-seven".