3478278861454 has 16 divisors (see below), whose sum is σ = 5259582320256. Its totient is φ = 1725096555000.

The previous prime is 3478278861439. The next prime is 3478278861527. The reversal of 3478278861454 is 4541688728743.

It is a self number, because there is not a number n which added to its sum of digits gives 3478278861454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2359122 + ... + 3538645.

It is an arithmetic number, because the mean of its divisors is an integer number (328723895016).

Almost surely, 2^{3478278861454} is an apocalyptic number.

3478278861454 is a deficient number, since it is larger than the sum of its proper divisors (1781303458802).

3478278861454 is a wasteful number, since it uses less digits than its factorization.

3478278861454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900151.

The product of its digits is 289013760, while the sum is 67.

The spelling of 3478278861454 in words is "three trillion, four hundred seventy-eight billion, two hundred seventy-eight million, eight hundred sixty-one thousand, four hundred fifty-four".